He dug a hole in our yard on Edgerton Avenue to plant a maple tree when I was born.我出生的时候，他在埃杰顿大街我们家的园圃里挖了个坑，种了棵枫树。Edgerton turned onto the new path with tremendous enthusiasm, and the results came quickly.埃杰顿以极大的热忱朝这一新的...
组蛋白是一类结合在染色体上的蛋白质.Histones are a group of proteins that are associated with chromosomes.组蛋白是涉及到调控基因的蛋白质.Histones are proteins involved in regulating genes turned on and off.组蛋白的特点是大量的翻译后修饰,这些修饰可以影响基因转录.Histones are chara...
Never dry underwear over direct heat; it will weaken the fabric.不要直接加热烘干内衣，那样会损坏布料。He put on his underwear and got into his suit.他穿好内衣，然后穿上西装。She packed one change of underwear.她打行李时带了一套换洗的内衣。...