Dihydroxy-
二羟基
🗣️ 情景例句
That's what makes this spot so good.
那就是为什么这个地点这样好的道理。
How many feet are you going to use?
你要用几英尺？
For them this is a major operation which involves considerable planning.
看戏在他们是件大事，需要精心计划。