名词
中文翻译：回旋
同义词：
['blade', 'dart', 'arrow', 'spear例句：1. The blade of the sword is sharp enough to cut through flesh.（剑刃锋利到可以切断肉体。）']
例句：
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1. The blade of the sword is sharp enough to cut through flesh.
剑刃锋利到可以切断肉体。
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2. He darted out of the room and disappeared into the shadows.
他突然从房间冲出去，消失在阴影中。
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3. The arrow flew straight and hit the target.
箭矢直飞，击中了目标。