Rctl
[计] 电阻电容晶体管逻辑电路
🗣️ 情景例句
Why don't you call back later this afternoon?
你何不今天下午再来电话呢？
What is happening up there?
上面发生什么事情？
Sam was sure that the wallet must have been found by one of the villagers, but it was not returned to him.
萨姆确信那钱包一定是被某个村民捡到了，可是却不见有人来送还给他。