Pitchometer
n. 螺距测量仪,螺距规,节距规
🗣️ 情景例句
I'm too sick to even get out of bed.
我病得都下不了床了。
Grasp the shadow and let go the substance.
舍本逐末。
The secretary worked late into the night, preparing a long speech for the president.
秘书工作到深夜，为总统准备发言稿。