Methylmethane
[医] 乙烷
🗣️ 情景例句
Are you sure you know where you're going?
你真认识你要去的地方吗？
In universities,students train to become teachers and engineers.
在大学里，学生们被训练成为教师和工程师。
What jobs do women do in Britain?
在英国，妇女们都干些什么工作？