Ratch
n. （防倒转的）棘齿
✅ 同义词
🗣️ 情景例句
Industry spokesmen have stated that there's no threat posed to the environment.
工业发言人说他们没有对环境构成威胁。
I often do home work in the afternoon.
我常常在下午做功课。
It contained five large bars of chocolate and three bags of sweets!
里面装了5大块巧克力和3袋糖果！