Chelation
[化] 螯合作用; 螯环化
🗣️ 情景例句
Don't open the door if you don't know who it is.
如果有陌生人敲门不要开门。
Would you consider going north this summer?
你将考虑今年夏天向北去吗？
I say, shall we go downtown this evening?
喂，今晚我们上街怎么样？