名词
中文翻译：滚筒式保险杠
同义词：
['roll-up bumper', 'roll-up guard']
例句：
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1.The new car has a roller bumper that can be easily removed for cleaning.
这款新车有一个可以轻易拆卸的滚筒式保险杠，便于清洁。
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2. The truck's roller bumper is designed to protect the tires from rocks and debris.
卡车的滚筒式保险杠设计用来保护轮胎免受石块和碎片的伤害。
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3. The driver had to remove his roller bumper before entering the racetrack.
在进入赛道之前，驾驶员不得不移除他的滚筒式保险杠。