back into
US /bæk ˈɪntu/
UK /bæk ˈɪntuː/
- Phrasal Verb
- To drive a vehicle backwards into a space or area.
- To accidentally collide with something while moving backwards.
A1Morebet
US /bet/
UK /bet/
- Verb (Transitive/Intransitive)
- To gamble money to win more money, e.g. on horses
- Used to express certainty or confidence
- Countable Noun
- Act of gambling money on the result of a race etc.
A2Morebottom
US /ˈbɑtəm/
UK /'bɒtəm/
- Noun
- The part of your body you sit on
- Lowest position, often in a company or contest
- Verb (Transitive/Intransitive)
- To hit the lowest part of something
- To provide with a bottom.
A2TOEICMorebubble
US /ˈbʌbəl/
UK /ˈbʌbl/
- Countable Noun
- A small ball of air inside of a liquid
- Intransitive Verb
- (Of a liquid) to produce bubbles, as when boiling
- To show intense emotion, e.g. excitement, anger
B1TOEICMorecorrespond
US /ˌkɔ:rəˈspɑ:nd/
UK /ˌkɒrəˈspɒnd/
- Intransitive Verb
- To have similarity or equality with something
- To write letters or emails to someone
B1Moredetermine
US /dɪˈtɚmɪn/
UK /dɪ'tɜ:mɪn/
- Transitive Verb
- To control exactly how something will be or act
- To establish the facts about; discover
A2TOEICMoreentire
US /ɛnˈtaɪr/
UK /ɪn'taɪə(r)/
- Adjective
- Complete or full; with no part left out; whole
- Undivided; not shared or distributed.
A2TOEICMorefilm
US /fɪlm/
UK /fɪlm/
- Noun (Countable/Uncountable)
- Thin layer that covers something
- Movie
- Transitive Verb
- To record moving action with a camera
A2Moregreenish
US /ˈɡrinɪʃ/
UK /ˈgri:nɪʃ/
- Adjective
- Fairly green
B1Morelength
US /leŋθ/
UK /leŋθ/
- Noun (Countable/Uncountable)
- Distance from one end of a pool to the other
- Measurement of distance or of time
- Adjective
- Being long in extent.
A2Morelook at
US /lʊk æt/
UK /luk æt/
- Phrasal Verb
- To use your eyes to focus on something
- To focus your eyes on something carefully
A1Moreof course
US /ʌv kɔː(r)s/
UK /ɔv kɔː(r)s/
- Adverb
- Sure ; Certainly
- Phrase
- For sure; certainly
A2Moreperfectly
US /ˈpəfɪktli/
UK /ˈpɜ:fɪktli/
- Adverb
- In a faultless manner; without mistakes
A2Moreplot
US /plɑt/
UK /plɒt/
- Countable Noun
- Small piece of land for a house growing crops etc.
- Series of events that form the main story
- Transitive Verb
- To mark a path, etc. on a map, using lines or dots
- To devise or develop a dramatic storyline
B1Morereflect
US /rɪˈflɛkt/
UK /rɪ'flekt/
- Verb (Transitive/Intransitive)
- To indicate or be a sign of something
- To bounce back light, heat, sound from a surface
A2TOEICMorereflection
US /rɪˈflɛkʃən/
UK /rɪˈflekʃn/
- Noun
- Sign or indication of a state or condition
- Image that you see in a mirror, glass, or water
A2TOEICMoresignal
US /ˈsɪɡnəl/
UK /'sɪɡnəl/
- Verb (Transitive/Intransitive)
- To be evidence/an indication something will happen
- To make a noise or motion to tell someone to start
- Noun (Countable/Uncountable)
- Evidence or an indication something will happen
- Movement of a hand or other means to send messages
A2Morespectrum
US /ˈspɛktrəm/
UK /'spektrəm/
- Noun
- The wavelengths of colors from red to violet
- a range of different positions, opinions, etc. between two extreme points
B1Morespot
US /spɑt/
UK /spɒt/
- Noun
- A certain place or area
- A difficult time; awkward situation
- Transitive Verb
- To see someone or something by chance
A2TOEICMoresuppose
US /səˈpoʊz/
UK /sə'pəʊz/
- Verb (Transitive/Intransitive)
- To imagine or guess what might happen
- Conjunction
- What if
A2TOEICMoresurface
US /ˈsɚfəs/
UK /'sɜ:fɪs/
- Transitive Verb
- To give (road) a top layer
- Intransitive Verb
- To appear after being hidden, unseen, or unknown
- To come to the top of something; emerge
A2TOEICMorethick
US /θɪk/
UK /θɪk/
- Adjective
- Difficult to see through, as fog
- Full of (people, etc.)
- Adverb
- In close association or friendship.
A2Moretranslucent
US /trænsˈlusənt, trænz-/
UK /trænsˈlu:snt/
- Adjective
- Having the quality of being transparent
C1Moreupper
US /ˈʌpɚ/
UK /ˈʌpə(r)/
- Noun (Countable/Uncountable)
- Drug that improves mood or increases energy
- Something happy or encouraging
- Adjective
- Located above others of the same kind
- Being the northern part of a region
B1Morevary
US /ˈveri/
UK /ˈveəri/
- Verb (Transitive/Intransitive)
- To change something and make it different
- To be changeable, both up and down
A2TOEICMore
Vocabulary
- of course: Sure ; Certainly
- back into: To drive a vehicle backwards into a space or area.
- look at: To use your eyes to focus on something
- entire: Complete or full; with no part left out; whole
- determine: To control exactly how something will be or act
- spectrum: The wavelengths of colors from red to violet
- spot: A certain place or area
- measure: Plan to achieve a desired result
- suppose: To imagine or guess what might happen
- reflect: To indicate or be a sign of something
- bet: To gamble money to win more money, e.g. on horses
- wonder: Surprise caused by experiencing something amazing
- plot: Small piece of land for a house growing crops etc.
- surface: To give (road) a top layer
- create: To make, cause, or bring into existence
- thick: Difficult to see through, as fog
- reflection: Sign or indication of a state or condition
- film: Thin layer that covers something
- rest: Time when one relaxes, sleeps, or is inactive
- appear: To be seen, become visible; come into sight
- vary: To change something and make it different
- bottom: The part of your body you sit on
- signal: To be evidence/an indication something will happen
- hit: To have a negative impact on a person/place/thing
- length: Distance from one end of a pool to the other
- find: To become aware of something that is happening
- make: To arrange or prepare something e.g. dinner
- part: Division of a book
- think: To have an idea about something without certainty
- bubble: A small ball of air inside of a liquid
- quiet: Hidden, or done in a private way
- perfectly: In a faultless manner; without mistakes
- correspond: To have similarity or equality with something
- time: Speed at which music is played; tempo
- light: To cause something to burn; put a burning match to
- upper: Drug that improves mood or increases energy
- thin: Flowing with ease; with a high percentage of water
- translucent: Having the quality of being transparent
- strong: (Of tea or beer) dark or thick
- greenish: Fairly green
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01:03
She took a brave step forward, leaving behind her comfort zone to chase her dreams.
Vocabulary
- brave
adj. Having courage
- comfort zone
phr. A familiar situation where one feels safe
Explanation
a brave step is a noun phrase, where brave is an adjective modifying the noun step, meaning "a courageous step".
forward is an adverb modifying step, meaning "ahead".
The whole phrase serves as the object, answering the "what" of took (verb) — she took a brave step forward.
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brave
US/brev/
UK/breɪv/
adj.Brave
v.t.To bravely face
A2 Elementary
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80
Thin-Film Thickness Measurement
0
Ken Lee posted on 2026/09/22Ever wondered why soap bubbles shimmer with so many colors? This fun video explains how the fascinating science of thin-film interference creates those vibrant hues, using light waves and bubble thickness to show you how it all works! You'll pick up some cool vocabulary about light and color along the way.
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