Cetta
[化] N-二亚乙基三胺四乙酸; N-β-羧乙基二亚乙基三胺四乙酸
🗣️ 情景例句
That's like closing the gate after the horse has bolted.
那无异于马后炮。
We are in great need of Grade A.
我们急需一等品。
Above all, he refused to make any personal gain from his political work.
尤其是，他拒绝从所从事的政治事业中谋取个人利益。