Greinacher circuit
[医] 格雷因纳契氏电路(一种倍压电路)
🧩 词语组成解析
🗣️ 情景例句
Columbia? Why Columbia?
Columbia？为什么要去Columbia？
Don't swap horses when crossing a stream.
行至中流不换马；危难之时不宜作大变动。
He says the Chinese people are very friendly.
他说中国人都很热情。