Oxyhydrogen
a. 氢氧的\\n[医] 氧氢[气](混合物)
🗣️ 情景例句
We haven't had any complaint of this kind. Is there any evidence.
我们还从未听过这样的抱怨。有什么证据呢？
He has a book.
他有一本书。
Sorry. I'm free every day except today.
对不起。我每天都有空，唯独今天没空。