:
1. nouns(名词):animal(动物), plant(植物), sun(太阳), moon(月亮), star(星星), snow(雪), rain(雨), flower(花), tree(树), grass(草), river(河流), mountain(山), hand(手), foot(脚), eye(眼睛), nose(鼻子)
2. Verbs (动词):run(跑), jump(跳), walk(走), swim(游泳), play(玩耍), eat(吃), drink(喝), sing(唱歌), dance(跳舞), draw(画), read(读), write(写), fly(飞行)
3. Adjectives (形容词):happy(快乐的), sad(伤心的), sleepy(困的), tired(疲惫的), young(年轻的), old(老的), strong(强壮的), short(矮的), long(长的), white(白的), black(黑的)
4. Prepositions (介词): in(在…里面), on(在…上面), under(在…下面), over(在…上方), before(在…之前), after(在…之后), between(在…之间), alongside(在…旁边)