Davy's test
[医] 戴维氏试验(检酚)
🧩 词语组成解析
🗣️ 情景例句
It is. That's why we bought it for you.
是的。这就是我们买给你的原因。
Is it true that manufacturing of automobiles is a major industry?
汽车生产是主要工业是真的吗？
That's right.
是的。