Switchknife
n. 弹簧刀
🗣️ 情景例句
You tried, Mom.
尽力了， 妈妈。
There are more foolish buyers than foolish sellers.
愚蠢的买主多鱼愚蠢的卖主。
He struck his attacker on the ear.
他打了那个攻击者一耳光。