Hemitropy
半体双晶
🗣️ 情景例句
You will never guess.
你绝对猜不到。
A policeman pricks up his ears.
一个警察竖起耳朵在认真地听着。
This increases their air-resistance and reduces the shock of impact when they hit the ground.
这样就加大了空气阻力，并减少了它们着地时冲击力带来的震动。