名词
中文翻译：缩口
同义词：
['tap', 'shut-off valve']
例句：
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1. The tap is leaking, so we need to fix it.
水龙头漏水，我们需要修理它。
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2. The car has a tapered wheelbase, which makes it more stable on the road.
这辆车有一个锥形的轴距，这使得它在道路上更加稳定。
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3. The engineer used a tapered rod to adjust the gears.
工程师使用一个锥形杆来调整齿轮。