较轻的推进器采用液态氢, 较重的采用自燃推进剂.The lighter version used liquid hydrogen, the heavier used hypergolic propellants.这个工厂为弹道导弹生产推进剂。The factory produces propellant for ballistic missiles.挤压 式 发动机对推进剂中溶解的气体特别敏感.Pressure - fed engine...
球一下子漏了，使得霍洛韦跑垒成功。The ball was bobbled momentarily, allowing Holloway to race home.霍洛韦小姐心脏不好，她肯定得过心脏病。Miss Holloway had a weak heart. She must have had a heart attack....
Pendergood had shovelled the sand out of the caravan.彭德古德把旅行拖车里的沙子铲了出来。They shovelled a path through the snow.他们用铲子在积雪中铲出一条路.The hungry man greedily shovelled the food into his mouth.那个饿汉贪婪地把食物投入口中....
The good teacher imparts wisdom to his pupils.好的老师把智慧传授给学生.The uniform imparts a dignified appearance to him.这身制服使他显得威严.A historical awareness also imparts a sense of continuity.历史意识也显示了一种连贯性。...