战争期间，琼帮妈妈给战士们织围巾。During the war, Joan helped her mother knit scarves for soldiers.把公墓建成阵亡战士的永久性纪念碑的工作已经开始。Work began on establishing the cemeteries as permanent memorials to the fallen.为保卫祖国而献身的战士soldiers who died in def...
Such material can confine water in an artesian aquifer.这样的介质能把水控制在承压含水层中.Sometime the term artesian is used to denote a confined aquifer.有时候人们也用自流含水层这一术语表示承压含水层.Chemically, elements like ? artesian ( potassium ) and alum...