Vocabulary
- in the world: Used to emphasize a question expressing surprise, confusion, or disbelief.
- at the end of the day: Ultimately; when everything else is considered.
- instead of: When one thing is replaced by another
- in places: In some locations but not others
- have to: Must do
- this day and age: The present period or modern times.
- in this day and age: In the present time; nowadays.
- based on: To use something as the foundation or starting point for something else.
- rely on: To depend on someone or something
- closer than: Nearer in distance compared to something else.
- for life: For the duration of one's life; permanently.
- used to: Did regularly before, but don't do now
- essentially: Basically; (said when stating the basic facts)
- develop: To explain something in steps and in detail
- capable: Being able to do something very well; proficient
- combat: To fight someone or something physically
- prominent: Being important or well known
- precise: (Of language details etc.) Very accurate and exact
- surveillance: Careful watching of a person/place, e.g. by police
- disrupt: To cause a disturbance in an activity in progress
- disaster: State of extreme ruin and misfortune
- mature: Behaving like an adult
- adapt: To change something for a different function
- private: Being away from others and quiet
- validation: Act of finding or testing the truth of something
- remote: Being far away from people, towns, etc.
- accountability: Responsibility to someone or for some activity
- release: To free someone from a responsibility or burden
- advance: Forward movement by an army
- counter: To say or do something in opposition or resistance
- responsible: Being the cause of something that has occurred
- survey: Broad view or general description of something
- seal: To close tightly to protect it from leaking
- lift: Picking someone up in a car and taking to a place
- application: Software program, e.g. for smart phone
- destructive: Causing a very large amount of damage
- provide: To make available; to supply for use
- autonomous: Able to control or decide matters by itself
- dominate: To be taller, bigger, or more physically obvious
- rely: Depend on with full trust or confidence
- responsibility: Job, task or thing you are expected to look after
- influential: Having the power to cause change; having influence
- drone: A remote controlled flying device
- hostile: Unwelcoming; showing ill will, as to an enemy
- target: A goal or amount you are trying to achieve
- loop: A circle or curved shape, as when you tie a lace
- company: Good feeling from being with someone else
- transform: To change the shape completely in a good way
- single: One run in cricket or a hit baseball
- shield: A family's coat of arms or insignia
- control: A device designed to operate a machine
- fully: Completely or entirely
- operate: To control or handle something, such as a machine
- ammunition: Supply of bullets, etc. that are fired from guns
- aircraft: Vehicle that can fly
- catch: Amount of something that has been caught
- defend: To protect and explain your position in court
- drive: A person's ambition and motivation to do something
- product: Item that can be bought
- include: To make someone, something part of a group
- exhibition: Public event to display objects, art etc.
- missile: A weapon that is thrown, shot or launched
- world: All the humans, events, activities on the earth
- embed: To place or set inside rock, etc.
- cargo: Goods carried in a ship or plane
- carry: To have a child, be pregnant
- human: A person; a man, woman or child
- jet: Stream of liquid/gas shooting out of small opening
- warfare: Methods used by those fighting in a war
- battlefield: Region where a battle was, or is being fought
- soldier: Person working in an army to fight
- navy: Very dark shade of blue
- aerospace: Industry of air and space travel
- airfield: Place where planes take off and land
- firepower: Relative capacity for shooting, bombing a target
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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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林宜悉 posted on 2026/03/22Ever wondered how AI pilots and autonomous drones are changing the game, even in military robotics? This BBC News spotlight dives deep into cutting-edge tech like laser air defense and how companies like Shield AI are pushing boundaries, even with GPS jamming! You'll pick up some seriously advanced vocabulary and gain fascinating insights into this rapidly evolving field.
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