介词
中文翻译：进入
同义词：
['in', 'into', 'to', 'within', 'in the direction of']
例句：
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1. Thebox was filled with books and papers.
这个盒子里装满了书和文件。
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2.She walked into the room with a smile on her face.
她带着微笑走进房间。
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3.He put his hand into the pocket of his coat.
他把手伸进他的外套口袋。