coal的基本含義及用法介紹：
1、可作名詞，意為煤;(尤指燃燒著的)煤塊。
例句：I put more coal on the fire.
我往火里再加了些煤。
A hot coal fell out of the fire and burnt the carpet.
一塊燃燒著的煤塊從火爐里掉出來把地毯燒了。
Gas-fired electricity is cheaper than coal...
天然氣發電比煤便宜。
The iron teakettle was hissing splendidly over live coals...
煤火燒得正旺，上面的鐵茶壺嘶嘶地響個不停。
Coal fell out of the fire, and burned the carpet.
爐火中迸出的煤塊燒著了地毯。
2、還可作動詞，是及物動詞，意為上煤;加煤給…加煤;把…燒成炭。
例句：He is piling coal on a fire.
他正在往火上添煤。
Many ships stopped here to take in coal.
很多船只在這里停泊上煤。
The ship called at Boston to coal.
船停靠在波士頓上煤。
Ships coal at Gibraltar.
船在直布羅陀上煤。
Natural gas is the third largest source of energy after coal and oil in the world.
天然氣是世界上繼煤和石油之后的第三大能源。
Coal piles on the Zinc mine is like an fairyland for children.
煉鋅礦上的煤堆是孩子們的樂園。
We're going to be shovelling coal on this ship for ever!
我們將永遠在這搜船上鏟煤！