名词
中文翻译：枪眼
同义词：
['scope', 'sight', 'scope of vision']
例句：
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1.The hunter used a speareye to aim at the deer.
猎人用瞄准镜瞄准了鹿。
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2.The astronaut wore a special scope on his helmet for better visibility.
宇航员在他的头盔上戴了一个特殊的瞄准镜，以便有更好的视野。
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3. She was able to spot the target from her scope of vision.
她能够通过瞄准镜看到目标。