I'm constantly having to mug up things ahead of teaching them.
我经常
得
课前攻读要讲的东西。
I'm constantly having to mug up things ahead of teaching them.
我经常得课前攻读要讲的东西。
I made the zip gun in class out of a toy airplane launcher.
我课时用玩具飞机发射器改制
了这把
。
He fell asleep during the lesson.
他课时睡着了。
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