Sawtooth voltage
[电] 锯齿形电压
🧩 词语组成解析
n. 锯齿
🗣️ 情景例句
Very interesting pictures, Mr. Stewart.
你的照片很有意思 Stewart先生。
I had a shot of penicillin.
我打了一针青霉素。
Last summer it was very dry, too.
去年夏天也是干得很。