形容词
中文翻译:Unknown
同义词:
['useful', 'beneficial', 'advantageous']
例句:
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1. It's useful to keep a notebook for notes.
保持一本笔记本用于记笔记是有用的。
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2. The new software is very beneficial for our work.
这款新软件对我们的工作非常有益。
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3. He found the information useful in solving his problem.
他发现这些信息在解决他的问题时很有用。