Bottomvalve
[化] 底阀
🗣️ 情景例句
Yes, Richard.
说吧， Richard。
I'll have studied English for four years next March.
到明年三月，我就学了四年的英语了。[将来完成时，表示将完成…，会做完…]
for their house, which had sound foundations, would have stood stoutly even if it had been almost submerged.
因为他们的房子地基牢固，即使洪水几乎灭顶也不会倒塌。