Plus, the productivity of the upwelling would help nursing mothers convert schools of krill into the barrels of milk required by the calves to put on their 200 pounds a day.

• 而且，蓝鲸妈妈要在这里吃下成群的磷虾，然后才能转化成足够的奶水，供养每天增重90千克的鲸宝宝。