I'm constantly having to mug up things ahead of teaching them.
我经常
得在上课前攻读要讲的东西。
I'm constantly having to mug up things ahead of teaching them.
我经常得在上课前攻读要讲的东西。
He fell asleep during the lesson.
他在上课时睡着了。
I made the zip gun in class out of a toy airplane launcher.
我在上课时用玩具飞机发
器改制成了这把枪。
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表本软件的观点；若发现问题，欢迎向我们指正。
