Dimercaptopropanol
二巯基丙醇
🗣️ 情景例句
in the past few weeks.
在最近几个星期。
How many are there in your family?
在你的家庭有多少人？
I'm planning to do a special study of satellites next term.
我计划下学期就卫星的问题做些特别的研究。