expressivity
n. 表达性；[遗传学]基因的表现度
名词复数：expressivities
近义词：articulateness，eloquence，self-expression，fluency，clarity，lucidity，perspicuity，
例句
- No words can express the grandeur of that parade. 阅兵式那宏伟的场面是无法用语言表达的。
- It is better to express your anger, rather than bottle it up. 生气宁可发泄出来而不要闷在肚内。
- It is difficult to express it in terms of science. 要用科学的字眼来表达它是很困难的。
- I can express myself in good English. 我可以用很好的英语来表达自己的观点。
- The express train is an hour faster than the local. 快车比慢车快一小时。
- It's an express train for Stockholm. 这是一趟开往斯德哥尔摩的快车。