名词Nouns
冠词Articles
代词Pronouns
数词Numerals
形容词Adjectives
副词Adverbs
介词Prepositions
连词Conjunctions
动词Verbs s4VWn1l0qIo1AgEe1M0Ro2ikKc0cVqoNI0zbq1/1UOTPMWLYHXaBNXR5ayiwz8pH