Water power schemes ( hydro - electric schemes ) are of two types, high dams or low dams.水力发电工程 ( 水电工程 ) 有高坝和低坝两种类型.Large dams have harmed Siberia's delicate ecological balance.大型水坝对西伯利亚脆弱的生态平衡造成了破坏。The R . A . F .&...
He didn't want to team up with anybody.他不想与任何人合作.It's a pleasure team up with such excellent workers.和这样出色的工人一起干活真愉快.Who's team up with johnson?约翰逊的搭档是谁?...