"That it is practically impossible to avoid coming into contact with them," says Frederick vom Saal, a biologist at the University of Missouri.
“避免与它们接触是基本不可能的。”密苏里大学的生物学家FrederickvomSaal说。
And there are so many forums online that it’s practically impossible to run out of ideas from them.
网上论坛的数量是那么的多，所以从论坛里产生的创意是永远都不会用光的。
Buying special instruments in 1970 was practically impossible so he used whatever he had at his disposal.
在1970年购买专用仪器几乎是不可能的事，所以他在处理作业时，只能使用在手边的任何工具。
It is practically impossible to remove all the moisture from a sample without deterioration of the product.
要去除样品的全部水分而又不损坏产品，实际上是不可能的。
The lamentable reality is that securing $22 billion in annual funding by 2015 will be practically impossible.
悲哀的现实正是如此，到2015年保证220亿每年的投入实际上已不可能。
It's practically impossible to begin a reading of Milton without the burden of innumerable prejudices and preconceptions.
想要不带大量的偏见或成见的解读米尔顿，几乎是不可能的。
It is practically impossible to prevent at least some bugs getting into food in the field, no matter how stringent the hygiene rules.
无论多么严格的卫生规定，事实上都不可能阻止至少是一些病菌进入田间的食品。
While Beijing has held out the possibility of rescheduling the visit, this was practically impossible given that the Expo ends next month.
尽管北京方面保留了改期安排访问的可能性，但这将很难办到，因为世博会将于下月闭幕。
The number of possible journeys grows exponentially as you increase the number of towns, so an exhaustive search soon becomes practically impossible.
当你增加小镇的数量时，可能的路线会呈指数方式增长，所以彻底搜查实际上来看是不可能的。
The caves create a labyrinth of houses, and it's practically impossible to distinguish the natural rock formations from the ancient architecture.
这些洞穴错综复杂，构成一个像迷宫一样的住宅区。人们几乎无法将古代建筑与天然的岩石形状区分开来。
Since the Internet is comprised of an ever-changing number of servers, pinning down the precise amount of data contained online is practically impossible.
既然互联网是由数量不断变化的服务器组成的，那么确定网上含有多少数据的精确数量几乎是不可能的。
It is practically impossible to know what someone is really worth, given private businesses, illiquid assets, debts, collections and assorted Swiss bank accounts.
实际上，考虑到私营企业、非流通资产、债务、收藏品和各种瑞士银行帐户，基本上无法知道一个人到底有多少财富。
Sure, her Link still looks like a bit of a tool (I maintain its practically impossible to come up with an effective Link costume), but she definitely balances him out.
当然，她的林克看起来仍然像是陪衬的道具（我认为真要制作合适的林克衣服也几乎是不可能的），但是她很好地平衡了他的出现。
Because the server must generate each page based on multiple users' interactions with the application, it's practically impossible to generate the same document twice.
由于服务器必须根据多个用户与应用程序的交互来生成每个页面，因此我们实际上无法两次生成相同的文档。
Examining the evolution of one protein, a team of scientists declares the answer is no, saying new mutations make it practically impossible for evolution to reverse direction.
通过研究一种蛋白质的进化历程，一个科研小组声明：答案是不行！新的突变是不可能使进化朝向逆转方向的。
At 7 a.m. on a recent spring day, many passengers are pecking at BlackBerries and talking on mobile phones, but eavesdropping is practically impossible because too many languages are in play.
在最近一个春天的早上七点，很多乘客在点击着他们的黑莓手机和打电话，但是偷听是不可能的，因为语言的种类很多。
At 7 a.m. on a recent spring day, many passengers are pecking at BlackBerries and talking on mobile phones, but eavesdropping is practically impossible because too many languages are in play.
在最近一个春天的早上七点，很多乘客在点击着他们的黑莓手机和打电话，但是偷听是不可能的，因为语言的种类很多。
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