助动词
中文翻译:不知道
同义词:
['do not know', 'do not understand']
例句:
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1. I don't know how to fix this computer problem.
我不知道如何修理这个电脑问题。
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2. She doesn't know if she can finish the project on time.
她不知道是否能按时完成这个项目。
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3. Don't you know what happened last night?
你难道不知道昨晚发生了什么吗?