Pitchometer
n. 螺距测量仪,螺距规,节距规
🗣️ 情景例句
If you drive carefully.
只要你小心驾驶。
Practice what you preach.
言必行。
I like writing to my penfriend, but it takes a lot of time.
我喜欢给笔友写信，但那很花时间。