我们的轰炸机摧毁了移动火箭发射台。Our bombers have knocked out the mobile launchers.他在空中搜寻敌军轰炸机。He searched the skies for enemy bombers.英国皇家空军仍未脱离极为缺乏轰炸机的危境.The Royal Airforce sill remained dangerously short of bombers....
There are five lakes: Superior, Michigan, Huron, Erie and Ontario.共有五个大湖泊: 苏必利尔湖, 密歇根湖, 休伦湖, 伊利湖和安大略湖.Autochthonous or allochthonous, may be important in the total metabolic system of lakes and streams.自源的或他源的在湖泊与河流的总代谢系...