rich vocabularies
expand vocabularies
technical vocabularies
academic vocabularies
medical vocabularies
A: I find these technical vocabularies very difficult to learn.
A：我觉得这些技术词汇很难学。
B: Just practice them every day and you will improve.
B：每天练习，你就会进步的。
1) 不同学科的术语集
2) 不同语言的词汇系统
3) 语言学习中的词汇量
1. 词汇；词组
noun
1. The set of words used in a particular language, subject, or area of activity.
Synonym: lexicons, terminologies