- 重点词汇
- 斑马
zebra
- 儿歌
children's song; nursery rhyme
- 世界
world; universe; globe; earth; global world; places all over the world; all parts of the world; manners, morals, or mores of the world; field; domain; realm
- 经典
classics; scripture; Confucian classics; classical; (of matters) typical and influential
- 系列
series; set