vocabulary
/vəʊˈkæbjʊlərɪ/noun
(pl. -ies)
1- the body of words used in a particular language（一种语言的）词汇。
1.1
- a part of such a body of words used on a particular occasion or in a particular sphere（某种场合或领域使用的）词汇：
the vocabulary of law
法律词汇
mass noun the term became part of business vocabulary.这一术语成了商业词汇的一部分。
1.2
- the body of words known to an individual person（个人掌握的）词汇（量）：
he had a wide vocabulary.
他的词汇量很大。
1.3
- a list of difficult or unfamiliar words with an explanation of their meanings, accompanying a piece of specialist or foreign-language text（专门文章或外语文章所附的）生词表, 词汇表。
1.4
- a range of artistic or stylistic forms, techniques, or movements词汇, 语汇, 语言（指艺术或风格形式、技巧或动作）：
dance companies have their own vocabularies of movement.
舞蹈团有自己的动作语言。
词源
mid 16th cent. (denoting a list of words with definitions or translations)： from medieval Latin vocabularius, from Latin vocabulum （see VOCABLE）.