Underset
n. 下层流, 下层矿脉
✅ 同义词
🗣️ 情景例句
Now, tell me, what's the problem?
啊， 告诉我 有什么问题？
I am old enough to make up my own mind.
我已经长大了，可以自己拿主意了。
A cat's ability to survive falls is based on fact.
猫在跌落时能够大难不死是有事实作为依据的。