Vacujet
真空捕尘凿岩机
🗣️ 情景例句
Did you remember your other appointment for today?
还记得今天的另一个约会吗？
For my math requirements, I'll be taking algebra, calculus, and trig.
数学的必修学分预定选代数、微积分、三角法。
The meeting was scheduled for two hours, but it is not over yet.
会议原定了两个小时，不过现在还没有结束。