前台有地图和观鸟地点一览表可供拿取。A map and a bird-watchers' field checklist are available at the front desk.我们去学校要一份一览表,看看有什么课.Let's get a school catalogue and see what courses are scheduled.我在催促联邦调查局编制犯罪统计一览表.I am speeding u...
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...
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。...