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...
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...
缕缕金发在风中飘扬。Blond strands of hair whipped in the wind.旗帜在微风中飘扬。Flags fluttered in the breeze.这个城市到处飘扬着五色缤纷的旗帜.The city was gay with all colors of bunting....