Collision number
[化] 碰撞数
🧩 词语组成解析
🗣️ 情景例句
And the new drawings for the toy spaceship.
还有玩具太空船的新草图。
He that will eat the nut must first crack the shell.
欲所得，必先劳。
They put small presents in each other's stockings.
他们把小礼物装进对方的长统袜里。