Pcbs
(PCB 的复数) 零用现金簿\\n[计] 印制电路板, 过程控制块, 程序控制块
🗣️ 情景例句
We talked about that earlier.
我们先前谈过这个问题。
It's raining cats and dogs.
下着倾盆大雨。
Snakes did not acquire their poison for use against man but for use against prey such as rats and mice, and the effects on these of viperine poison is almost immediate.
因为蛇有毒液不是用来对付人的，而是对付它的猎物，诸如鼠类，毒液对这些猎物会立刻起作用。