名词
中文翻译：Unknown
同义词：
['pen-point', 'pinpoint', 'focus', 'aim']
例句：
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1. The penpoint on the map is exactly where we need to go.
地图上的这个点就是我们要去的地方。
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2. She pinpointed the error in her calculations.
她准确地指出了计算中的错误。
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3. The scientist aimed his penpoint at the target.
科学家用他的笔尖对准目标。