Pilots from different countries understand body signals if they have the correct training. When you wave your arms up and down in a straight line, it means "yes".

如果接受了正确的训练，来自不同国家的飞行员都能理解身体信号。当你沿一条直线上下摆动手臂时，就表示“是”。

youdao

So you see, the more you wave your arms around in a frenzy, the better target you will make.

所以你看，你越波你的手臂反扣在嘹亮，更好的目标，你将尽。

youdao

So you see, the more you wave your arms around in a frenzy, the better target you will make.

所以你看，你越波你的手臂反扣在嘹亮，更好的目标，你将尽。

youdao