Vocabulary
- thermal mass: The ability of a material to absorb and store heat energy.
- depending on: To rely on for support (financial or emotional)
- out of print: No longer being published or available to buy new.
- rather than: More exactly; more correctly
- with it: Intelligent, alert, and up-to-date.
- on its way out: Becoming old-fashioned or obsolete.
- for free: Without charge; at no cost.
- on site: At the location of a particular activity or project.
- from nowhere: Suddenly appearing without warning or expectation.
- instead of: When one thing is replaced by another
- source for: A place, person, or thing from which something comes or can be obtained.
- set out: To arrange something in an orderly fashion
- regardless of
- on paper: In theory or as a plan, but not necessarily in reality.
- in practice: In reality or actual use; as opposed to in theory.
- run on: To continue longer than expected, e.g. a meeting
- in reverse: In the opposite direction.
- massive: Very big; large; too big
- genuinely: In a real, actual, not false or artificial way
- structure: The way in which the parts of a system or object are arranged or organized, or a system arranged in this way
- typically: In a normal or usual way
- distinct: Clearly different in nature from something else
- category: Groups of things that are similar in some way
- version: Different way that someone interprets something
- crack: Attempt to achieve a goal or objective
- conventional: Following the common attitudes and practices
- accessible: Able to be entered, reached or used
- fraction: Small part of something
- reach: To come to or arrive at a goal or destination
- surface: To give (road) a top layer
- require: To demand that someone does something
- form: Sports team or person's current winning record
- charge: To run quickly toward someone to attack them
- principle: Moral rule or belief governing a person's behavior
- raise: To increase a bet above another when playing cards
- core: To take out the central section of a fruit
- identical: The same in every way
- mass: Religious ceremony in some Christian churches
- insurance: Protection against loss/injury/death you pay for
- rural: Concerning the country as opposed to the city
- device: Object, machine, or equipment for a specific use
- chamber: Enclosed space that contains something
- platform: Flat, raised structure that people stand on
- source: Piece of information; a person giving information
- straw: Dry yellow stems of crops such as wheat
- bury: To put something into the ground and cover it
- affordable: Cheap enough that it can be paid for
- depend: Be controlled or determined by (someone/something)
- channel: Long hole dug in the ground, e.g. to move water
- system: Set of organized, planned ideas that work together
- build: Your physical shape; physique
- modern: Of the present time; up to date; contemporary
- draft: Withdrawal of money from the bank
- thermal: Item of warm clothing for cold weather use
- certification: Official or legal permission to do something
- legal: Concerning the law; allowed by law
- change: To exchange one set of clothes for another
- land: Region or country
- insulate: To prevent heat, electricity, sound from passing
- burn: To destroy with fire
- combustion: An act or instance of burning
- design: To plan in a particular way to fulfill a purpose
- international: Of or relating to several countries
- fireplace: Open area in a wall where a fire can be built
- long: Person's name
- warm: To become more friendly or to like something
- print: To make many copies of a page, magazine or book
- floor: Large area used for a particular purpose
- certify: To approve someone as authorized, valid
- masonry: Materials used to build brick or stone structures
- cob: A type of nut from the hazel tree
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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
The $300 Homestead Heater That Beats Your $30,000 Furnace (Science Explained)
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Richard VT posted on 2026/03/06Ever wondered about super-efficient heating that costs next to nothing? This video dives into the science behind rocket-mass heaters, showing you how a simple DIY setup can beat expensive furnaces and even uses less fuel! You'll pick up advanced vocabulary related to thermal mass and combustion while learning about a fascinating piece of home-building history.
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