Dithioacetals
二硫缩醛
🗣️ 情景例句
It's getting late. Please excuse me, but I must leave right away.
时间不早了。对不起，我得赶紧走了。
Until the end of the week.
借到周末。
Last August. We had a lovely holiday, one of the best ever.
去年8月。我们度过了一个令人愉快的假日，也是有史以来最愉快的假日之一。