动词
中文翻译：知道
同义词：
['understand', 'comprehend', "realize例句：1. I know you're busy", 'but could you please callme back?（我知道你很忙，但你能回个电话吗？）2. She knows how to fixcars.（她知道怎么修车。）']
例句：
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1. I know you're busy, but could you please callme back?
我知道你很忙，但你能回个电话吗？
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2. She knows how to fixcars.
她知道怎么修车。
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3. He knewthe answer to the problem before he askedthe question.
他在提问之前就知道答案了。