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- Keywords Integral rocket ramjet;Ducted rocket engine;Flow control;Oxygen poor fuel rich propellant; 整体式火箭冲压发动机;冲压火箭发动机;流量控制;贫氧富燃料推进剂;
- Mars is too dry and poor in oxygen. 火星上面过于干燥，并且缺乏氧气。
- Water contains hydrogen and oxygen. 水含有氢和氧。
- As a work of art it is very poor. 作为艺术品这是十分拙劣的。
- The poor chap gets terrifically het up. 这个可怜的人气得要命。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- Mr.Black bowed out of politics due to poor health. 布莱克先生由于健康不佳而退出政治生涯。
- The poor old man shuffled off in his worn shoes. 这位可怜的老人穿希破烂不堪的鞋子一步一拖地走。
- Poor Lionel went to pieces after his wife died. 可怜的莱昂内尔在妻子死后垮了下来。
- The poor old man has come down to the bedrock. 那可怜的老人只剩下最后一块钱了。
- His latest effort is a poor excuse for a novel. 他最近的作品只是一部劣质的小说。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- I thought his jokes were in very poor taste. 我认为他讲的笑话太粗俗了。
- Fish take in oxygen through their gills. 鱼通过鳃摄取氧气。
- His concern for the poor is only a pose. 他对穷人的关心只不过是做做样子罢了。
- Poor girl, I feel for you, toothache is painful. 可怜的姑娘，我都替你难受，牙痛真够呛。
- The poor old man died of starvation. 那个可怜的老人被饿死了。
- The oxygen react vigorously with the impurity in the iron. 氧气与铁中的杂质发生剧烈的化学反应。
- They would stop the rich from robbing the poor. 他们要制止富人掠夺穷人。
- The oxygen workshop caught fire and set off a chain of explosions. 氧气车间着了火，引起了一连串的爆炸。
