Ratch
n. （防倒转的）棘齿
✅ 同义词
🗣️ 情景例句
Thank you. In there?
谢谢 。在那里面吗？
Did you sleep well last night?
你昨晚睡得好吗？
Though they may atttain considerable accuracy in the perception of flat form,
虽然他们对平面形的感觉能达到相当准确的程度，