Lignites
n. [矿物] 褐煤
🗣️ 情景例句
We really don't have to be overly concerned.
我们真的不需要过分担心。
I took off my hat.
我摘下了我的帽子。
It is not long before they are so accustomed to swimming that they can pick up weights from the floor of the pool.
他们很快便适应了游泳，以致能捡起池底的物品。