新闻发布会:  press conference

汶川地震：Wenchuan Earthquake

大地震：the massive earthquake

8.0级地震：the 8.0- magnitude earthquake

地震灾区：quake-hit area/ quake-stricken area

重灾区：the worst-hit area

震中：epicenter

余震：aftershock

地震灾民：quake victim

人民解放军：People's Liberation Army soldier

武警：armed polce

消防官兵：fire-fighter

医务工作者：medical worker

救援者：rescuer

救援队：rescue team

自愿者：volunteer

伤者：the injured

失踪者:the missing

废墟：debris/ruin

卫生：sanitation\hygiene

只要有一线希望，我们就要尽百倍努力：If only there is the slighted hope, we will spare no effort.

只要有一个幸存者，我们就绝不会放弃：If only there is survivor in the deb