BBC news 2010-12-24 加文本

1.they should be mindful of their responsibility that I think we as individuals bear, every single individual to exercise restraint.

be mindful of注意,留心,不忘却…

例句：Therefore, investors should be mindful of the volatility of the stock market. 
      因此，投资者应小心股票市场波动。

2. A mass demonstration after the poll was put down by baton-wielding police, and hundreds of people were arrested, including a number of presidential candidates.

put down平定, 镇压, 取缔

例句：They had to call the police in order to put down the riot.
      他们只得叫来警察以平定骚乱。

      The uprising was put down with utmost ferocity.
      起义被极端残酷地镇压下去了。

3.A 28-year-old former Islamist, Walid Zeghina, was sentenced along with another 53 Islamists who are on the run.

on the run奔逃, 逃跑

例句：He would tell his parents nothing about his life on the run or how he escaped from England.
      有关自己的逃亡生活以及如何逃出英国的事他对父母是什么都不会讲的。

4.This prototype solar reactor uses a metal oxide called ceria, heated up in the concentrated glare of the Sun...

heat up加〔煮〕热…

例句：You'd better heat the tomato soup up.
      你最好把番茄汤热一下。

5.But its makers are confident they can ramp up that efficiency to near 20%, using better insulation and perfecting the lens through which the Sun pours into the machine.

ramp up加强；加大

例句：The factory don't have that capacity to ramp up.
      这家工厂没有能力加速生产。