Dacryolithiasis
[医] 泪石病
🗣️ 情景例句
Who has torn these pages out of the book?
谁撕掉书上的这几页？
I'm going to buy him another one.
我正要买给他另一个。
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。