Diisopropylethylamine
二异丙基乙胺
🗣️ 情景例句
How's that?
怎么是这样？
I'm sorry. I can't make it on Tuesday.
对不起，星期二我无法参加。
He usually takes a short walk in the evenings and is always home by seven o'clock.
傍晚常常出去溜达一会儿，并且总是在7点钟以前回来。