On average each report requires 1,000 hours to prepare.准备一份报告平均需要1,000小时。Every tonne of coal contains, on average, 30 kilograms of nitrogen.每吨煤平均含30公斤氮.We received 20 calls a day on average.我们平均每天接到二十个电话....
他喜欢与那些智力水平不如他的人共处。He preferred the company of those who were intellectually inferior to himself.当然，识字和智力是两码事。Of course, literacy isn't the same thing as intelligence.熊非常好奇，必须不断地给予其智力上的刺激。Bears are very inquisitive a...