1
the expressiveness of [noun]
常用单数，后接 of 短语说明拥有表现力的人或物。
The expressiveness of her eyes moved the audience to tears.
她眼神中的表现力使观众感动落泪。
表现力；可表达性
expressivenesses — plural of expressiveness
先理解核心含义，再看它在真实句子里的用法。
表现力；可表达性
the quality of being expressive
The expressiveness of her eyes moved the audience to tears.
她眼神中的表现力使观众感动落泪。
常指语言、艺术等表达情感或思想的能力；计算机领域也译作可表达性。
表现力；表达性
The quality or degree of being expressive.
Her expressiveness when she tells stories keeps the children engaged.
她讲故事时的表现力让孩子们听得入迷。
The painter admired the expressiveness of the old master's brushstrokes.
这位画家很欣赏那位老大师笔触的表现力。
In a job interview, expressiveness can be as important as technical skill.
在求职面试中，表现力可能与技术能力一样重要。
常用单数，后接 of 短语说明拥有表现力的人或物。
The expressiveness of her eyes moved the audience to tears.
她眼神中的表现力使观众感动落泪。
介词 in 后接领域或活动，表示“在某方面的表现力”。
Expressiveness in dance is more important than perfect technique.
舞蹈中的表现力比完美的技巧更重要。
作状语时用 with + 形容词 + expressiveness，表示方式。
He told the story with great expressiveness.
他以极强的表现力讲述了这个故事。
Not this
She is very expressiveness.
Use this
She is very expressive.
expressiveness 是名词，表示“表现力”，不能放在 be 动词后作表语来形容人；应改用形容词 expressive（富有表现力的）。
Not this
His facial expressiveness showed his surprise.
Use this
His facial expression showed his surprise.
表达“脸上的表情”时应用名词 expression，指具体的面部神情；expressiveness 意为“表现力/可表达性”，是抽象品质，不能指某个面部表情。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
情感表现力
Her emotional expressiveness makes her a captivating actress.
她的情感表现力使她成为迷人的演员。
面部表现力
The mime's facial expressiveness conveyed a whole story without words.
这位哑剧演员的面部表现力不用言语就讲述了一个完整的故事。
语言表现力
Poets value the linguistic expressiveness of their native tongue.
诗人珍视母语的语言表现力。
艺术表现力
The painter's artistic expressiveness is evident in every brushstroke.
这位画家的艺术表现力在每一笔中都很明显。
声音表现力
Vocal expressiveness is essential for an opera singer.
声音表现力对歌剧演唱者至关重要。
音乐表现力
The conductor praised the orchestra's musical expressiveness.
指挥赞扬了管弦乐团的音乐表现力。
Use expressivenesses naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
express（表达）+ -ive + -ness：把情感“表达”出来的那股劲儿，就是表现力。
语域：neutral 常见场景：art and literary criticism、music and performance、programming language design 该词表示“表现力；可表达性”，通常用于书面或较正式的表达，如艺术、音乐评论或技术讨论；日常口语更常用形容词 expressive，而不太说 expressiveness。
与 expressiveness 真正押韵的有 impressiveness、aggressiveness、progressiveness，它们都以 /esɪvnəs/ 结尾。注意形近但音不同的词：possessiveness 读 /pəˈzesɪvnəs/（s 发 /z/），effectiveness 读 /ɪˈfektɪvnəs/（多出 /kt/），passiveness 读 /ˈpæsɪvnəs/（重音在前），都不与 expressiveness 押韵。
Dictionary facts from ECDICT, WIKTIONARY.