roller [ˈrəʊlə(r)]
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基本释义
n.滚筒,滚轴;海岸的巨浪
英英释义
a tube-shaped object in a machine that turns over and over in order to carry things along or press them down or together
参考例句
A steam roller is used in making and repairing roads. 蒸汽压路机用来修筑道路。
Why do we like roller coasters? 为什么我们喜欢过山车?
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