There the irrigation canal links up with the reservoir.这条灌溉渠在那里与水库连接起来.Irrigation is easy in the South because of the abundance of water.南方多水,利于灌溉.Irrigation is needed to make crops grow in dry regions.干旱地区需要灌溉才能使作物生长....
He could not lie still, but rampaged up and down his bedroom.他不能静静地躺着, 而在卧室里冲来撞去.The elephants rampaged through the forest.那些大象狂暴地冲过森林.Hundreds of youths rampaged through the town, shop windows were smashed and cars over...
取120个值计算平均数。Take a hundred and twenty values and calculate the mean.把它们相加再除以5就是平均数，明白吗？Add them together, divide by five, and you've got the average. Okay?在新英格兰人们的收入通常比全国平均数低10%.Income in New England is commonly 10 ...