Marblette
[商]铸塑酚醛塑料
🗣️ 情景例句
OK. I'll be back in a few minutes.
好，过几分钟我就回来。
In university, students are trained to become teachers and engineers.
大学的学生被训练成为教师和工程师。
How long will it take you to complete the trip?
你旅行全程需要多长时间？