Spcb
abbr. single-pole circuit breaker 单刀断路器
🗣️ 情景例句
I want to keep the after-school programs--
我要保存这些课外活动--
I asked him to fix it for me, but he wouldn't.
我请他帮我修理，但是他不肯。
I never heard of anyone making a'skeleton', as we were taught at school.
我从未听说过任何一位作家像我们在学校学的那样，动笔前先列什么提纲。