Deta
abbr. 二乙撑三胺；二亚乙基三胺
🗣️ 情景例句
to talk to someone at the bank next week.
下星期与银行的人谈一谈。
Drop me a line.
写封信给我
Last Tuesday he received a letter from the local police.
上星期二他收到当地警察局的一封信，