Voltage tripler
[电] 电压三工器
🧩 词语组成解析
[计] 三倍器, 乘3装置
🗣️ 情景例句
with photographs of my family, I cried.
连同家人照片时，我哭了。
There is nothing which has not been bitter before being ripe.
事情在成功前没有不艰苦的。
good-tempered elephant who will give many years of loyal service.
脾气温顺、能忠实为人服务多年的大象。