Complexant
配位剂
🗣️ 情景例句
You may accept this draft by signing.
请你们签字"承兑。
Kindness is the sunshine of social life.
仁慈是社会生活中的阳光。
but would you mind coming with me to the station?'
但请您跟我到警察局去一趟好吗？”