介绍： characteristic n. 特征；特性
radium n. 镭
painter n. 画家；油漆匠
put forward 提出
scientific adj. 科学的
conclude v.结束
conclusion n.结论
draw a conclusion得出结论
analyse v.分析
infect v.传染
infections v.传染的
cholera adj.霍乱
defeat v. 打败
expert adj.熟练的
attend v.照顾
physician n.医生
expose.暴露
ex...

介绍： characteristic n. 特征；特性
radium n. 镭
painter n. 画家；油漆匠
put forward 提出
scientific adj. 科学的
conclude v.结束
conclusion n.结论
draw a conclusion得出结论
analyse v.分析
infect v.传染
infections v.传染的
cholera adj.霍乱
defeat v. 打败
expert adj.熟练的
attend v.照顾
physician n.医生
expose.暴露
expose...to使显露
deadly adj.致命的
cure n.治愈
outbreak n.爆发
challenge n.挑战
victim n.受害者
absorb v.吸收
suspect v.怀疑
enquiry n.询问
neighborhood n.附近
severe adj.严重的
clue n.线索
pump n.泵
Cambridge Street剑桥大街
foresee v.预见
investigate v.调查
investigation n.调查
blame v.责备
pollute v.污染
handle n. 柄
germ n.微生物
link.连接
link...to... 将…和…联系或连接起来
announce n.宣布
certainty n.确信
instruct v.命令
responsible adj.有责任的
construct v.建设
construction n.建设
contribute v.捐献
apart from 除……之外
firework n.烟火
chart n.图表
creative adj.有创造力的
co-operative adj.合作的
positive adj.积极的
(be) strict with...对……严格的
Nicolas Copernicus尼古拉.哥白尼
revolutionary adj.革命的
movement n.移动
make sense讲得通
backward adj.向后的
loop n.圈
privately adv.私下的
spin v.（使）旋转
brightness n.明亮
enthusiastic adj.热情的
cautious adj.小心的
reject v.拒绝
universe n.宇宙