Spcb
abbr. single-pole circuit breaker 单刀断路器
🗣️ 情景例句
I have good news and bad news, which do you want to hear first?
我有好消息和坏消息，你想先听哪个？
Suggestions on packing are greatly appreciated.
我们非常欢迎大家对包装方面提出建议。
Last week I went to the theatre.
上星期我去看戏。