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....
He fell back into the water, his breath rasping in his heaving chest...他仰面跌进了水中，胸部起伏，呼吸急促。He fell back into the water, his breath rasping in his heaving chest.他仰面跌进了水中，胸部起伏，呼吸急促。He pulled the cloth and it came away with ...