Polyiodization
多碘化反应
🗣️ 情景例句
OK. Do you have lemons?
好，你有没有柠檬？
He has bought 10 tractors for the village.
他为村里买了10台拖拉机。
I don't think anyone knows about this. I said.
“我想没人知道这一情况，”我说。