Unit 4. Lesson 3
23 Words
叶子
yèzi
leaf
证明
zhèngmíng
certificate, document; to prove, to testify
棵
kē
a measure word for trees, bushes
研究
yánjiū
to study, to research
登机牌
dēngjīpái
boarding pass
...And 18 more words in this list in app
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