经济学人下载:亚洲私立医院 随时候命

Others urged obama to prepare to return to copenhagen.
也有其他人敦促奥巴马做好准备重回哥本哈根。

I want you to prepare to jump!
我要你准备好跳下去!

2.tend to 趋向；偏重

Smaller laptops also tend to have longer battery life.
小巧的电脑也趋向更长的电池持续时间。

I tend to prefer light colors.
我往往更喜欢淡颜色。

3.swell from 膨胀

Hills swell gradually from the plain.
山渐渐从平原隆起。

Britain will see its population swell from today's 62.2 million to 77 million, an increase of 24 percent.
英国人口将激增24%，从目前的6220万增长至7700万。

4.medical coverage 医疗保险

What hangs in the balance of studies like this one is medical coverage for cancer.
癌症医疗保险才是平衡此类的研究的解决之道。

On the positive side, dr. chen said that china has extended basic medical coverage to 96% of rural chinese.
陈竺说，从积极的角度看，中国基本医疗保障制度已覆盖了96%的农村人口。