Dimercaptopropanol
二巯基丙醇
🗣️ 情景例句
We will help your children in learning lessons in their free time.
我们可以帮助您的孩子在他们空闲时学习功课。
May I have a customs declaration form, please?
请给一份海关申报表好吗？
And if this something else is rightly chosen,
如果选得合适，