Crosswalks coat of paint to encourage walking and biking.过街天桥上都挂上鼓励步行和骑车的条幅.Represents the intersection of two small roads with crosswalks.表示带人行横道的两条小路的交叉路口.Many pedestrians cross the road recklessly instead of using cro...
He once emerged from the toilets with his flies unfastened.有一次他裤链没拉就出了厕所。Vietnam has emerged as the world's third-biggest rice exporter.越南已跃居世界第三大稻米出口国。He emerged from the dark recesses of the garage.他从车库的暗处走出来。...
I found the cheapest price for enlarging the photograph by ringing round all the photographic dealers.我给所有的照相馆都打了电话,找到了放大照片要价最低的地方.People who have fingered crack houses and fingered drug dealers have been assassinated.那些...
当两个等位基因不同时,称之为杂合性的.When the two alleles are not identical , they are said to be heterozygous.自交杂合子有一半杂合性, 因此远系繁殖可以产生适应能量更强的种群.Selfing heterozygotes halves the heterozygosity , and thus outbreeding maintains heterozygosit...