Pitchometer
n. 螺距测量仪,螺距规,节距规
🗣️ 情景例句
Nancy, would you like to come over the day after tomorrow?
南西，你后天要不要到我家来？
Study sickness while you are well.
居安思危。
On the way, a young man waved to me.
途中，一个青年人向我招手。