Polyiodination
[化] 多碘化反应
🗣️ 情景例句
I heard that some tours actually go down into the canyon. Is that true?
我听说有的旅游团真正下到峡谷里去了。那是真的吗？
Here are the two originals of the contract we prepared.
这是我们准备好的两份合同正本。
What's your name?
你叫什么名字？