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sequoia Hide phonetics
noun [C]
a large Californian evergreen tree that can reach a height of more than 90 metres
cây củ tùng

botanist Hide phonetics
noun [C]
a scientist who studies plants
nhà thực vật học

hypothesis Hide phonetics
noun [C] plural hypotheses
an idea or explanation for something that is based on known facts but has not yet been proved:
Several hypotheses for global warming have been suggested.
đưa ra 1 zả thiết

conifer Hide phonetics
noun [C]
one of various types of evergreen tree which produce fruit in the form of cones
cây loại tùng bách

cohere Hide phonetics
verb [I] FORMAL
1 If an argument or theory coheres, all the different stages fit together to form a persuasive whole.

2 to unite or to hold together as a unit:
His vision is of a world that coheres through human connection rather than rules.
lực liên kết

evaporate Hide phonetics
verb
1 [I or T] to cause a liquid to change to a gas, especially by heating:
The high concentration of sugars forms a syrup when the sap evaporates.
Plants keep cool during the summer by evaporating water from their leaves.

2 [I] to disappear:
Halfway through the film reality evaporates and we enter a world of pure fantasy.
sự bay hơi

confine Hide phonetics
verb
1 [T] to limit an activity, person or problem in some way:
Let's confine our discussion to the matter in question, please!
Please confine your use of the telephone to business calls.
By closing the infected farms we're hoping to confine the disease to the north of the region (= stop it from spreading to other areas).

2 [T usually passive] to keep someone in an enclosed place, often by force:
The hostages had been confined for so long that they couldn't cope with the outside world.
hạn chế

molecule Hide phonetics
noun [C] SPECIALIZED
the simplest unit of a chemical substance, usually a group of two or more atoms
phân tử