Multiphotocoupler
多重光电耦合器
🗣️ 情景例句
Will you become my wife?
你能成为我的妻子吗？
You don not have to reveal your age.
你不必透露你的年龄。
It is no use offering the manual labourer, tired out with a hard week's sweat and effort,
对于流汗出力干了一周苦活的体力劳动者来说，是不合适的；