Pcm
[计] 接插兼容主机, 主控程序, 脉码调制
🗣️ 情景例句
It was an extremely difficult and dangerous task.
这是一项极度困难的危险的工作。
Send a postcard to me when you arrive in Shanghai.
你到上海以后给我发张明信片。
She knew that it must be the baker.
她知道来了一定面包师。