Biological systems have been doing this for billions of years.生物系统亿万年来一直都是这样。Billions of pounds are riding on the outcome of the election.几十亿英镑都取决于这次选举的结果。Israel accepted billions of dollars in war reparations.以色列得到了几十亿美...
As the day goes on, the pollen dries up and becomes hard.日子一天天过去，花粉干结成了硬块。You can buy a formulation containing royal jelly, pollen and vitamin C.可以买一种含蜂王浆、花粉和维生素C的配方产品。Avoid trips to the country while the pollen count is...
A few drops of green food coloring were added.加了几滴绿色的食物色素。The room was quiet and neutral in coloring,but it was given accent by bowls of bright flowers.室内色彩素静，但是一盆盆的鲜花，使屋子大为增色。Animals'protective coloring enables the...