Chelation
[化] 螯合作用; 螯环化
🗣️ 情景例句
We can write letters. It's cheaper than calling.
我们可以写信就好，那比打电话便宜。
They've been married for quite a few years.
他们结婚好多年了。
or of the habits of the social insects, let us say.
和昆虫群居的习性