r-rated
(一定年龄以下的少儿除有家长和监护人陪同外不得观看的)R级片
难易程度:
r-rated为短语/超纲词汇
1. A recent survey of the effects of noise revealed (surprisingly?) that dogs barking incessantly in the night rated the highest form of noise pollution on a scale ranging from 1 to 7. 最近一个有关噪音的作用的调查(令人吃惊地)指出,夜间连续不断的狗叫声,在一个从1级至7级刻度表上应列为最严重的噪间污染。
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