Plectro
[医] 锤型(细菌芽胞形成时)
🗣️ 情景例句
I got it.
我猜对了。
You're wanted on the telephone.
你有电话。
a trough (the lowest point), a height (the vertical distance from the trough to the crest),
波谷（最低点）、浪高（从波谷到浪峰的垂直距离）