Pentoglycerine
[建] 三甲醇乙烷
🗣️ 情景例句
You are the very person we want.
你就是我们要的人选。
By what time should I check in?
我该什么时间办理登机手续呢？
All the students are expert drivers, but before they drive any of the buses, they will have to pass a special test.
所有的学生都是开车的能手，但在驾驶公共汽车之前，他们必须通过一项专门测验。