Pcr
abbr. 光电导继电器（Photo-conductive Relay）；程序控制暂存器（program control register）
🗣️ 情景例句
We can have somebody come by, but it won't be right away.
我们可以派人去，但现在不行。
Where drums beat,laws are silent.
战鼓一响，法律无声。
Heavy iron chains around his feet and hands were fixed to a metal bar that ran round the hall about ten centimetres off the ground.
手上和脚上沉重的铁链拴在厅堂四周离地约有10厘米的金属杆上。