Cities themselves are changing rapidly...城市自身在日新月异地变化。The British like to present themselves as a nation of dog-lovers...英国人喜欢把自己说成是一个爱狗的民族。The enemy must be digging themselves in now ready for the attack.敌人现在一定在挖掩体，准备迎接...
不可能数到无穷大.It is impossible to count up to infinity.这些排列可以增加到无穷大。These permutations multiply towards infinity.波既不能有不连续处,又不能有几率为无穷大的区域.The wave has neither discontinuities nor regions of infinite probability....
这显示了脚和鞋接触的地方。This shows where the foot and shoe are in contact.他们接触的事不多，从这一方面来说这是个封闭的社团。It is a closed society in the sense that they've not been exposed to many things.接触的细胞的原生质体通过原生质连丝连接成一体.The protoplasts of atta...
孩子们排队等着在雪坡上滑雪.The children lined up for a coast down the snowy slope.你认为什么时候滑雪坡上人会少一些?When do you think the slopes might be less crowded?从下雪的头一天起,滑雪者便登上雪坡.From the first snowfall & def skiers hit the slopes....
The epidemiological studies played a key role in these decisions.流行病学研究在这些裁定中都起着重要作用.Some data are now available from studies that have utilized an epidemiological approach.利用流行病学方法的研究工作已经提供了一些资料.Objective To sum up the ...