Colin drifted off into a fitful sleep.科林迷迷糊糊地，时睡时醒。Her grandmother mumbled in her sleep...她祖母含混不清地说着梦话。Doris Brown closed her eyes and lapsed into sleep.多丽丝·布朗闭上眼睛，安然入睡。I've not been able to sleep for the last few ...
I didn't get a wink of sleep on the aeroplane.我在飞机上没合一下眼。He looked at Ellen, breathing evenly in her sleep.他看着埃伦，她正呼吸均匀地睡着。Jem was full of beans after a long sleep.杰姆好好睡了一觉之后又变得精力充沛了。...
橡树孕育于橡子之中.The oak is implicit in the acorn.橡树从一粒小橡子生长而来.The tree grew from a small acorn.为更清晰地理解此处的问题，我们来看一种不同的生物系统，比如说，橡子。To see the problem here more clearly, let's look at a different biological system, say, an a...
Hitchhiking effects also play a role in experiments with marker genes.附加效应在以标记基因作试验中也是起作用的.You’re opening the door to trouble by hitchhiking.沿途搭车会滋生事端。She decided hitchhiking was her best method of escape.她认定搭便车是自己最好的逃跑方...