他个人已收到莱曼司令要求凿沉轮船的命令。He personally had received orders from Commander Lehmann to scuttle the ship.遇难轮船的残骸the hulk of a wrecked ship我们很难发动这艘轮船的引擎.We are having difficulty in firing up the ship's engines....
Ozone is a highly reactive form of oxygen gas.臭氧是一种非常活跃的氧气形态。Objective: To research the clinic curative effect on acute fetal distress by Atropin with inhaling oxygen.目的探讨阿托品与吸氧联合治疗急性胎儿窘迫的临床疗效.The sample brominated epoxy...