Sawtooth voltage
[电] 锯齿形电压
🧩 词语组成解析
n. 锯齿
🗣️ 情景例句
Are you a citizen of the People's Republic of China?
你是中华人民共和国的公民吗？
There have been a lot of changes here in the last 20 years.
在这20年里这里有很多变化。
I'm afraid it's empty.
恐怕盒子是空的。