Hedta
[化] 羟基乙二胺三乙酸
🗣️ 情景例句
Do what you are told.
叫你怎么做，你就怎么做。
I asked him to buy it for me, but he wouldn't.
我请他帮我买，但是他不肯。
He investigates complaints large and small that come to him from all levels of society.
他听取社会各阶层的各种大小意见，并进行调查。