Underpinner
n. 支承用的支撑,支柱
🗣️ 情景例句
This winter has been a cold one.
目前来看，今年冬天算比较冷的。
The thing I don't like about driving is all the traffic on the road.
在开车方面我不喜欢的事情是堵车。
They may also have used wood and skins, but these have rotted away.
他们也可能用过木头和兽皮，但这类东西早已腐烂殆尽。