Conversion efficiency
[电] 变换因数
🧩 词语组成解析
🗣️ 情景例句
Don't cross that bridge till you come to it.
没到河边，先别操心怎么过桥。
Mother's darlings are but milksop heroes.
奶水泡出懦弱汉。
I was angry because they were late.
我生气，因为他们迟了。