Ratching
作棘齿, 刻锯齿
🗣️ 情景例句
They have to be here.
它们肯定就在这儿。
They jumped at the unexpected noise.
他们因突如其来的声音吓得跳了起来。
Do you think we will find a solution for the problem?
你认为我们会解决这个问题吗？