名词
中文翻译：枪口
同义词：
['notch', 'notch', 'notch']
例句：
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1. The hunter carefully notched his bowstring to the tree.
猎人小心翼翼地将弓弦对准了树。
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2. He notched his gun for a long shot.
他调整了他的枪以进行长距离射击。
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3. The notch on the gun is where you can adjust the trigger pressure.
枪上的刻度是你可以调整扳机压力的地方。