Hedta
[化] 羟基乙二胺三乙酸
🗣️ 情景例句
I am happy to do it for you.
我很高兴为你们做这件事。
A good beginning is half the battle.
首战告捷等于一半胜利。
She has been helping her husband for thirty years now.
她已经帮了她的丈夫30年了。