hypersonic什么意思解释？

Hypersonic wind tunnels operating at very low densities were developed starting in about 1960.低密度超音速风洞大约开始发展于1960年.It would reach hypersonic speeds -- five times the speed of sound.也就是说,要使飞机达到特超音速—即音速的五倍.FEM FCT is used ...

hypersonic的音标：hypersonic的英式发音音标为：[ˌhaɪpə'sɒnɪk]hypersonic的美式发音音标为：[ˌhaɪpə'sɒnɪk]...

The forebody design a key issue for hypersonic airbreathing vehicle.前体设计是吸气式高超声速飞行器设计的关键之一.It would reach hypersonic speeds -- five times the speed of sound.也就是说,要使飞机达到特超音速—即音速的五倍.hypersonic aerodynamics高超音速空气动力学rarefied...

express的近义词/同义词有：send, dispatch, ship, imply, indicate, show, present, tell, describe, voice, say, speedy, rapid, swift, fast, quick, deliver, pronounce, tell, state, fast, represent, enunciate, forward, indicate, voice,...

v.搞坏( flub的现在分词 )，把…搞得一团糟，做得不好，弄糟...

logistics的音标：logistics的英式发音音标为：[lə'dʒɪstɪks]logistics的美式发音音标为：[lo'dʒɪstɪks, lə-]...

Stop arguing about ( questions of ) procedure and let's get down to business.别再为程序 ( 问题 ) 争辩了,咱们着手议正事 吧.Stop kidding. Let's get down to business.别开玩笑了, 我们办正经事吧.Next, let's get down to business.接下来, 我们谈谈正事....

...the Romanian capital, Bucharest.罗马尼亚首都布加勒斯特In 1918 the Romanian majority in this former tsarist province voted for union with Romania.1918年，这个前沙皇统治的省份中占了多数的罗马尼亚人投票赞成与罗马尼亚合并。The Romanian rowers pulled ahead with fast, ...

这位死去的学生现在被视为烈士。The dead student is now being regarded as a martyr.这位烈士是为了民族独立的事业而献身的.The martyr laid down his life for the cause of national independence.报上登载了框有黑边的烈士遗像.The newspaper carried the martyr's photo frame...

fenalcomine的音标：fenalcomine的英式发音音标为：[fe'nælkəmaɪn]fenalcomine的美式发音音标为：[fe'nælkəmaɪn]...

环美酚...

n.专门知识或技能，专家的意见，专家评价，鉴定...

“繁茂”的反义词：稀疏, 枯萎, 疏落, 干枯, 荒芜, 芜秽。...

火腿鳄梨非常好吃。The ham is delicious with avocado.将柠檬汁洒在鳄梨片上.Sprinkle the avocado slices with lemon juice.鳄梨是有价值的一种食物.The avocado is a valuable food....

I mouthed a goodbye and hurried in behind Momma.我用口型默示告别，然后匆匆跟在妈妈身后走了进去。The girls hurried outside, climbed into the car, and drove off.姑娘们匆忙跑了出来，爬进汽车，然后开车走了。She hurried to the kitchen in back of the store.她赶紧进到商店后面的厨房。...

Legio的音标：...

competitive的音标：competitive的英式发音音标为：[kəm'petətɪv]competitive的美式发音音标为：[kəm'pɛtɪtɪv]...

“吐出物”的英语可以翻译为：spew，ejecta，expectoration ...