COAL - Định nghĩa trong Từ điển tiếng Anh
coal (noun)
/kəʊl/
Giải nghĩa:
A black or brownish-black hard mineral substance that is burned for heat or energy
Ví dụ:
We used to heat our house with coal
coal (noun)
/kəʊl/
Giải nghĩa:
A piece of glowing, burned, or heated wood or coal
Ví dụ:
The fire had died down, but a single coal still glowed
Cách sử dụng
Coal is a type of rock that is found deep in the ground. It is black and can be burned to create heat and energy. People often use coal to power trains, generate electricity, and heat buildings. Coal is also a fossil fuel that produces greenhouse gases, so using it can harm the environment. It is important to use cleaner sources of energy like wind and solar power instead of coal whenever possible.
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