D-c block
[电] 直流闭塞
🧩 词语组成解析
block
[blɑk]
n. 块;街区;<英>大楼，大厦;障碍物，阻碍;
vt. 阻止;阻塞;限制;
🗣️ 情景例句
Room service. May I help you?
客房服务部，需要我为您效劳吗？
I think it's going to be too big.
我认为它将太大。
Thank you. Bye-bye.
谢谢。再见。