Dimercaptopropanol
二巯基丙醇
🗣️ 情景例句
I'm unemployed at the moment.
现在我失业了。
Happy is he that is happy in his children.
对自己孩子感到高兴的，才是幸福的人。
2 Two friends meet at school on the first day of term.2
两个朋友于新学期的第一天在学校见面。