Undergirds
vt. 在底部加固（undergird的第三人称单数形式）
🗣️ 情景例句
I guess we were thinking the same thought.
我想我们的心意相同。
If you don't aim high you will never hit high.
不立大志，难攀高峰。
The head office agreed to the lower price you asked for.
总公司已同意你要求的较低价格。