曾为水井供水的蓄水层正式宣告干涸了。The aquifer which had once fed the wells was pronounced dry.地下蓄水层是一些有水的岩石层,如沙岩和白垩岩.An aquifer is a water - bearing rock stratum such as sandstone and chalk.就蓄水目的说, 这些地下水库比地表水库有很多优点.For storage purposes,...
“卡明斯先生来了，”她把门敞着说道。"Mr Cummings is here," she said, holding the door open.他决定去看望一下汤米·卡明斯。He decided to pay a call on Tommy Cummings.嗨, 卡明斯, 你攻下里士满需要几个小时 呀 ?Hey, Cummings , how many hours will you need to take Richmond?...