復(fù)習(xí)

dilemma困境

opaque ～not transparent

advocate提倡

prejudice偏見

preconceive預(yù)先

unemployment

enrich

37

lush green pastures郁郁蔥蔥的草場

rural鄉(xiāng)下的

harbor港灣harbour

close-knit緊密

lively vigorous

cosmic cosmos universe space

riddle secret秘密

settle down定居

physician doctor surgeon

reservoir水庫

address solve

contamination pollution

tirelessly不知疲憊的

deduce推演

trace back to溯源

a dense forest密林

cliff峭壁

soluble可融的solute

permeate分散

pose造成

grave serious

swift快

nuisance 討厭的東西

trademark商標

confer upon授予

venture冒險

revive復(fù)活

soil erosion水土流失

humble謙虛的

hub樞紐

linear線性的

trajectory軌道

betterment improvement