Spcb
abbr. single-pole circuit breaker 单刀断路器
🗣️ 情景例句
Make yourself at home.
不要客气。
With my heart in my boots, I went into the dark room.
我战战兢兢地走进那黑洞洞的房间。
Frank smiled when he remembered his hard early years and the long road to success.
弗兰克回想着他早年的艰难经历和走过的漫长的成功之路，微笑了。