Application of the cis - trans test defines the genetic unit of function, the cistron.顺? 反 测验可以用来确定遗传的功能单位――顺反子.Rockwell Automation defines sustainable production as cleaner, safer more energy - efficient operations.罗克韦尔...
“求求你留下来给我读点东西吧，妈妈，”他央求道。"Please stay and read to me, mummy," he beseeched.她用的是央求的语气。Her voice was pleading.我再三央求, 他才答应帮忙.He made a promise of help, as I pleaded with him again and again....
她是壳牌公司法律事务部唯一的女性。She was the only woman in Shell's legal department.我们之间唯一的差别就是肤色。The only difference between us is the colour of our skins.我的猫古斯塔夫是我所有的一切——我唯一的伴侣。My cat Gustaf was the only thing I had—the only comp...