They placed dirt and rocks in a pan and then filled it about half way with water.

VOA: special.2009.02.04

So Coca-Cola and Poland Spring could just agree to produce half the quantity of water each.

假如可口可乐和波兰泉达成默契了,同意各产垄断产量的一半

耶鲁公开课 - 博弈论课程节选

The fascinating part about this layer is that it solves the problem for phospholipids about how to exist in water when half of you wants to be in oil, and that the water soluble part of the top leaflet here, of the top points up into the water, and the fatty acid chains point down.

这层膜的迷人之处在于,它解决了磷脂,如何存在于水中和油脂中的问题,水溶性的顶端部分,向上插入水中,而脂肪链则指向下

耶鲁公开课 - 生物医学工程探索课程节选

About seventy-six centimeters of dry snow equals the water in two and one-half centimeters of rain.

VOA: special.2011.01.11

Add nine and one-half milliliters of salt to each liter of boiled water.

VOA: special.2009.08.11

Malaria,diarrhea,and typhoid- water-related diseases that are not fatal in First World countries- cause half of the child deaths in Yemen.

VOA: standard.2010.04.01

The farmers themselves pay to keep it running. Their new irrigation method has cut water usage by half.

VOA: standard.2009.12.10

Water in the South Korean portion of the Imjin River surged Sunday more than four and a half meters, about twice its usual level.

VOA: standard.2009.09.07

Half our coral reefs are dead or dying. We've lost 90 percent of deep blue water,big game fish: the halibut,the tuna and the marlin that we all loved to eat.

VOA: standard.2010.08.04