我的书包里有三本教科书。
There are three textbooks in my schoolbag.
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textbooks英 /ˈtɛkstbʊks/|美 /ˈtɛkstbʊks/
There are three textbooks in my schoolbag.
There are three textbooks in my schoolbag.
There are three textbooks in my schoolbag.
在 App 中完整学习这张卡片
在 App 中学习