缩写
中文翻译：你好
同义词：
['Hello', 'Hi', 'Hey', 'Good morning', 'Good afternoon', 'Good evening']
例句：
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1. HFF: Hello! How are you?
你好！你怎么样？
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2. HFF: Hi!I've got a new book to show you.
嗨！我有个新书要给你看。
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3.HFF: Hey, can you help me with this math problem?
嘿，你能帮我解决这个数学问题吗？