1·It made it more slippery with the sand on top of the hard surface.
由于赛道表面有很多沙子，显得比较滑。
2·Recently (as of 2003-2006), biological results let the notion of gene appear more slippery.
最近(以2003 - 2006年)，生物的结果让概念的基因似乎更滑。
3·The concept of poverty becomes even more slippery when attempting international comparisons.
当试图进行国际比较时，贫困的概念变得更加弹性。
4·The trouble is that the idea of what defines a species is a lot more slippery than you might think.
定义新物种的动机要比人们通常想象中的狡猾得多。
5·Antidumping duties are a more slippery target: dumping does not sound like something a responsible politician should favour.
对于反倾销税，这却是个棘手的靶子：大概没有哪位富有责任感的政客会表示对倾销感兴趣吧。
6·The materials Guo has created are much more slippery than Teflon — a common hydrophobic material that often coats nonstick frying pans.
郭教授制造的这种材料远比特氟龙(一种常规疏水材料，经常用于不粘锅的涂层)滑。
7·Plus silk itself peculiar air permeability and moisture transmission performance, silk by feel more slippery, great but not warm, warm but not dry.
加上蚕丝本身特有的透气、透湿性能，使蚕丝被感觉更加滑，爽而不温，温而不燥。
8·I held onto the rail with a feeble grip and began, by touch, to descend the treacherous steps which were caused to become all the more slippery by my wool socks.
我无力地抓住扶手，摸索着走下晃悠悠的楼梯，由于穿着毛袜子，路更滑了。
9·The slope gets a little more slippery once we start dealing with people who criticize their employer on their blogs... or just discuss their job without permission.
但如果你在博客上批评的人是你的老板，或者在未经允许的情况下讨论工作，事情会变得更加严重。 最近令人瞩目的一个例子就是波兹曼市要求应聘者提供社交网站档案的用户名和密码（目前该规定已经取消）。
10·Princeton or Stanford degree is worth much more than one from Slippery Rock State University.
一个普林斯顿或者斯坦佛大学的学位要比阿狗阿猫大学的文凭有价值得多。