Dithioacetals
二硫缩醛
🗣️ 情景例句
Well, maybe you'll come for lunch some Sunday,so we can really thank you for bringing Richard's bag back.
既然如此 或许哪个星期天你能来吃中饭让我们好好地感谢你送回Richard的旅行袋。
It is dogged (that) does it.
天下无难事，只怕有心人。
It is nine o'clock.Mr.Sawyer usually reads his newspaper at night.But he's not reading his newspaper tonight.
现在是9点钟。索耶先生通常是在晚上看报，但今天晚上他没看报。