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?量一下温室的建筑面积再将它除以6。Measure the floor area of the greenhouse and divide it by six.230厘米除以22厘米等于10.45厘米。230cm divided by 22cm is 10....
The vast forests of West Africa have shrunk.西非的大片森林面积已缩小了。I confess it with shame -- shrunk icily into myself, like a snail.我羞愧地忏悔了 —— 冷冰冰地退缩, 像个蜗牛.The peasantry has shrunk from 74.6 millions to 65.5.农民人数已从7460万减至6550万....