动词
中文翻译：打开
同义词：
['breathe', 'let out', 'open up']
例句：
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1. The door is open, so please enter.
门是开着的，请进来。
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2. She opened the window to let fresh air in.
她打开了窗户，让新鲜空气进来。
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3. Opening a new business can be challenging, but it's also exciting.
开设一家新企业可能会有挑战，但也很令人兴奋。