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rill的第三人称单数（三单）为：rills...
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rill的音标：rill的英式发音音标为：[rɪl]rill的美式发音音标为：[rɪl]...
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n.小河，小溪，（地表或岩石表面）冲蚀而成的水沟v.像小河一般流...
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rill的一般过去时为：rilled...
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A bridge spanned the rill.一座桥横跨小河。A ditch diverted water from the rill into the fields.一条沟渠把水从河里引向田间.The surface shows deep rill - like folds.表面有深沟槽 状 起伏褶皱.From a practical standpoint, rill erosion forms small channels.从...
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rill的现在完成时为：rilled...
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rill的现在进行时为：rilling...
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A ditch diverted water from the rill into the fields.一条沟渠把水从河里引向田间.From a practical standpoint, rill erosion forms small channels.从实用的观点看, 细沟侵蚀能形成很小的渠槽.The surface shows deep rill - like folds.表面有深沟槽 状 起伏褶皱....