Underset
n. 下层流, 下层矿脉
✅ 同义词
🗣️ 情景例句
When I watch sad movies I get really depressed.
当我看悲伤的电影时，我常常很难过。
Desperate diseases must have desperate cures.
毒病要用毒药医。
You'd better buy a new pair.
你最好买双新的。