Diffuence
扩流区
🗣️ 情景例句
That's a good buy.
那买得便宜。
If you have time,will you call me tomorrow?
如果你有时间，你明天将打电话给我？
No one can plead ignorance of a subject any longer, for these are countless do-it-yourself publications.
由于出版了不计其数的教人自己动手做事的书报杂志，没有人再能说对某事一无所知。