Diffusance
扩散度
🗣️ 情景例句
English is important for those who wish to do international trade.
英语对于那些想做国际贸易的人来说太重要了。
What's the rush?
什么事那么匆忙？
The winning car reached a speed of forty miles an hour -- much faster than any of its rivals.
获胜的那辆车达到了时速40英里--远远超过任何对手。