UNIT  19

　　GLOSSARY

　　awash  a. washed over by the waves  被浪潮沖打的

　　cleanse  v. make clean 使清潔

　　cluster  v. form a close group  使成群；群集；叢生

　　cope  v. manage successfully  妥善處理

　　destination  n. place to which sb. or sth. is going or is being sent 目的地

　　detergent  n. a chemical product used for cleaning clothing， dishes， etc.　清潔劑

　　effluent  n. liquid waste 流出物；液體廢物

　　endemic  a. （of a disease） found regularly in a particular place （疾病等）地方性的

　　filth  disgusting dirt 污物

　　flush  v. flow suddenly and freely 奔流；涌

　　foul  v. make dirty or impure 　弄臟；污染

　　gravely  ad. seriously 嚴(yán)肅地

　　hazard  n. danger 危險(xiǎn)

　　infect  v. give a disease to， contaminate 感染

　　inhabit  v. live in 居住于

　　landlocked  a. almost or entirely surrounded by land 被陸地圍住的

　　lurk  . exist unseen； wait in hiding 潛伏

　　nourish  v. keep alive and well with food to， train， educate， or develop 養(yǎng)育；培養(yǎng)；教養(yǎng)

　　outbreak  n. sudden occurrence 爆發(fā)

　　overestimate  v. have too high an opinion of the degree or number of 過高估計(jì)

　　periodic  a. happening repeatedly at regular times 間歇的；定期的

　　pollute  v. make dirty 污染

　　popular  a. favoured by many people 大眾喜愛的

　　remorseless  a. feeling or showing no sorrow for doing wrong 不懊悔的

　　seductive  a. attractive， seemingly enticing 有吸引力的；富有魅力的

　　sewage  n. the waste material and water carried in sewers （陰溝里的）污物

　　slime  n. soft， nasty， thick， sticky mud 軟泥；粘泥

　　sluice  v. send a stream of water over 奔流；奔瀉

　　stifle  v. prevent from happening or continuing 抑制；鎮(zhèn)壓

　　cholera 　n.霍亂

　　dysentery&nb