Polyiodide
多碘化合物
🗣️ 情景例句
You can take a seat now.
现在你找个座位坐下吧。
You'll get hurt, if you don't watch out.
你不注意的话，就会受伤。
She wanted to see the doctor because her back hurt.
她是来伦敦看望女儿的。她要看医生是因为背痛。