lǎo / shī / xiān / jiǎng / jiě / míng / cí / dòng / cí / hé / xíng / róng / cí / zhè / xiē / jī / běn / cí / lèi老师先讲解名词、动词和形容词这些基本词类。The teacher first explained basic parts of speech such as nouns, verbs, and adjectives.