learn grammar的用法和樣例：
例句
- He studies grammar and rhetoric.
他學習語法和修辭。 - However,in doder not to dffend people,learning about language etiquette is just as important as learning grammar or vocabulary.
然而，為了不侵犯到別人，學習語言上的禮儀與學習語法和辭彙同樣重要。
learn grammar的相關資料：
臨近單詞
learn up
learn
learner's autonomy in English study
learn or discover with certainty.
Learn to ask about others'preference
learn through experience or practice
learnt and evaluated characteristics
learn a language through translation
Learnig English must be persistent.
Learn to speak rudimentary Japanese.
Learn Vectorquantizationneural network
Learners' Guidance Group service system
