Deta
abbr. 二乙撑三胺；二亚乙基三胺
🗣️ 情景例句
I want to send this letter to China, by air mail.
我想把这封信航空邮到中国。
The battle is to the strong.
强者必胜。
Had he worked harder, he would have gotten though the exams.
如果他努力了的话，他就会通过考试的。