Laboratory
(Taking science back home P3)
chemical reaction 化学反应
chemical 化学药品
test tube 试管
beaker 烧杯
flask 烧瓶，长颈瓶
scale/balance 天平
container 容器
alcohol burner 酒精灯
crystal 晶体
substance 物质
graduated cylinder 量杯
label 标签，贴标签
spoon 勺子

United Nations (UN)
(UN security talks P2)
UN General Assembly 联合国大会
UN Security Council 联合国安理会
five permanent memebers (the United States, the Russian Federation, People's Republic of China, the United Kingdom, and France) 五个常任理事国
UN Educational, Scientific and Cultural Organization (UNESCO) 联合国教科文组织
World Health Organization (WHO) 世界健康组织
World Trade Organization (WTO) 世界贸易组织

Disaster
(Hurricane horrors P6)
hurricane 飓风
victim 受害者
collapse 倒塌
typhoon 台风
flood 洪水
damage 损害
drought 干旱
forecast 预测
earthquake 地震
landslide 山崩，泥石流
hit 袭击
tornado 龙卷风
volcano 火山