EnglishinArchitectureandConstructionWangYong-guangInstituteofEnvironmentalScienceandEngineeringYangZhouUniversity2004
08UNITONETextHistoryofWaterSupply[1]Man’ssearchforpurewaterbeganinprehistorictimes
人类在史前时期就开始寻求洁净的水
Muchofhisearliestactivityissubjecttospeculation
人类最早的许多活动是不难推测的
Someindividualsmighthaveledwaterwheretheywanteditthroughtrenchesdugintheearth
一些人可能在地上挖沟,把水引到所需要的地方
Later,ahollowlogwasperhapsusedasthefirstwaterpipe
后来,空心圆木可能作为最初的水管得到使用
·subjectto服从……指挥,视……而定,以……为条件,常遭……·speculation[spekju´lei∫ən]n
推测,思索,投机(买卖)onspeculation冒险地,投机地·trench[trent∫]n
深沟,地沟,[军]堑沟,壕沟vt
切开,挖(战壕于……),用壕沟防御vi
挖战壕,侵犯,侵占(他人土地、权利、时间等),接近,近乎inthetrenches在第一线,在现场trenchon(或upon)侵犯,侵占,近乎,接近[2]Thousandsofyearsmusthavepassedbeforeourmorerecentancestorslearnedtobuildcitiesandenjoytheconvenienceofwaterpipedtothe