hypersonic什么意思解释？

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]...

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 ...

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...

heiress的复数形式为：heiresses...

“全新纪”的拼音为：quán xīn jì...

laitance的音标：laitance的英式发音音标为：['leɪtəns]laitance的美式发音音标为：['leɪtəns]...

albinic的音标：albinic的英式发音音标为：[æl'bɪnɪk]albinic的美式发音音标为：[æl'bɪnɪk]...

A seemingly endless line of trucks waits in vain to load up.一眼望不到头的一长列卡车眼巴巴地等着装货。Commonly bacterium of gules and cuticular tinea waits.常见的有红色表皮癣菌等.Everything comes to him who waits.坚持就是胜利。He listens and waits for the nar...

n.种植（修整）树篱者，推卸回避的人，骑墙派，作套期保值的人...

“上位”的拼音为：shàng wèi...

He bursts into a loud guffaw.他突然大笑起来。He laughed, a coarse hearty guffaw.他哈哈笑了起来,一阵粗率 、 热诚的大笑.He is complacent very on the street guffaw is strolling.他很是自得的在街上狂笑漫步着....

lower的音标：lower的英式发音音标为：['ləʊə(r)]lower的美式发音音标为：['loʊə(r)]...

n.眺望台，露台( gazebo的名词复数 )...

I honestly thought I'd seen the last of you.老实说我以为再也不用见到你了。It's important to answer her questions as honestly as you can.尽可能如实回答她的问题非常重要。She fought honestly for a just cause and for freedom.她为了正义的事业和自由而光明正大地斗争。...

supplant的现在完成时为：supplanted...

用金属锂 - 液氨一步还原法合成γ姜黄烯.实验证实γ姜黄烯极不稳定,室温下极易芳香化转变成α姜黄烯.The synthesis of ν - curcumene was described. The experiment affirmed that ν - curcumene can aromatize to α - curcumene readily at room temperature....

Three mortar shells had landed close to a crowd of people.3枚迫击炮弹落在人群旁。Enemy forces lobbed a series of artillery shells onto the city.敌军对该城发起连串炮轰。Cut the lobster shells into small pieces with heavy-duty scissors.用粗剪将龙虾壳剪成...

Brigs are versatile ship that can be used as warships or transports.横帆双桅船是既可以做军舰又可以用来运输的多用途船只.Grain is a better food , nutritionally; it is also easier to store and transports.谷物是一种营养比较好的食物, 也比较容易贮藏和运输.They clasped us ro...