名词
中文翻译：Unknown
同义词：
['nervous', 'nervous', 'fidgety', 'restless']
例句：
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1. He has a nervous habit of pacing back and forth in his office.
他在办公室来回踱步，有紧张的习惯。
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2. She was nervous about the upcoming presentation.
她对即将到来的演讲感到紧张。
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3. The child is fidgety and constantly moving around.
这个孩子不安分，总是动来动去。