软颚的下降则是颚舌肌与颚咽肌的作用.The soft palate is depressed by means of the palatoglossus and palatopharyngeus.科学家已经可以使用 高速 摄影技术来计算颚的惊人速度.Scientists were able to measure the amazing jaw speed using high - speed video techniques....
空气中悬浮的粒子,由于相互凝聚也会在大小和形状方面发生变化.Airborne particles can also be changed in size and shape by coagulation with each other.进入悬浮的泥沙数量取决于河床上的流体的作用力.The quantity of material that goes into suspension depends on the fluid forces ...
对于两个七十几岁的人来说，这段路太远了。It's a long way to go for two people in their seventies.许多十几岁的孩子既缺乏自信又不够懂事，所以感情上十分脆弱。Lacking self-confidence and maturity, many teenagers are left feeling very vulnerable.她母亲把她四十几岁时穿的所有衣服都包起来烧掉了。...
Disraeli was as wonderful a letter - writer as he was a novelist.作为他的迪斯雷利是作为令人惊叹的一封信作家的是一位小说家.Benjamin Disraeli, British statesman.英国政治家迪斯雷里.Benjamin Disraeli , who became Lord Beaconsfield , was , in his youth, poor and...
希腊生产耐火级铬铁矿石已有百余年历史.Greece has been producing refractory grade chromite ore for more than a hundred years.许多由沙漠侵入这些牧场的灌木种都是耐火的.Many of the desert scrub species that have invaded these ranges are fire intolerant.硅酸铝 ( 陶瓷 )...
Oakley locates housework in the wider context of economic, social and political structures.奥克利把家务置于更广泛的经济、社会和政治结构背景中。The rotor system locates in an aircraft flying with an asymptotic acceleration.研究渐变加速的飞行器内碰摩转子系统的非线性特性....