Indiffusion
体内扩散; 向内扩散; 不扩散
🗣️ 情景例句
Chairman Mao said it is necessary to drill as much as possible.
毛主席说，反复操练是非常必要的。
I invited him to come in, but he wouldn't.
我请他进来，但是他不肯。
Who's this?
这是谁？