Sectionalizer
分段隔离开关
🗣️ 情景例句
Uh, why does he always have to slam the door?
唉 为什么他老是砰一声地关上门
He has never been out of China, so he is very excited about liveing abroad.
他以前从未出过国，因此对出国很兴奋。
Though Mr.Thompson had turned the lights off before he went to bed, they were on in the morning.
虽然汤普森临睡觉时把灯关了，但早晨灯却都亮着。