n.流利；流畅
He speaks English and French with equal fluency. 他说英语和法语同样流利。
Fluency in spoken English is a major requirement. 主要条件为英语口语流利。
This will improve the pupils fluency of reading. 这可以使学生朗读得更流畅。
n.倒流(退潮)
n. =affluence
