Tetraptera
四翅类
🗣️ 情景例句
Sure.
当然。
I'm kidding.
骗你的啦！
A moment later, the Class 4 runner fell and hurt his leg, but he quickly got up and went on running.
过了一会儿，4班的运动员摔倒了，伤了腿，但是他很快爬起来，继续往前跑。