Porcupines use their spines to protect themselves.豪猪用身上的刺毛来自卫。The cactus has spines.仙人掌有刺.Spines - this expression has been used by various writers with considerable latitude.刺,许多作者把这个词用在相当广泛的含义上....
He could become ungraciously immodest about his own capacities.谈及自己的能力，他会自吹自擂大言不惭。It was not, however, what would have been called an immodest glance.不过, 这又不是通常说的那种轻佻的目光.Many old people find the bikini immodest.许多老年人感到穿比...
Drunkard sees affordthe opportunity , enter whereaboutldirection barkeeper to enquire: What are 3 your difficult problem?酒鬼见机不可失,便进去向酒保询问: 你的三个难题是什么 呀 ?Drunkard sees affordthe opportunity , enter whereaboutldirection bar...
在相同的条件下,分子速度分布在任何时候都是恒定的.At any given instant the distribution of molecular speeds is always constant under the same conditions.它使火车在通过现有轨道的弯曲处时得以保持恒定的车速。It allows the train to maintain a constant speed through the twist...
大多数海洋腹足纲软体动物在某些幼体阶段形成一种有纤毛的游泳器官。Most marine gastropod mollusks develop a ciliate swimming organ in certain larval stages.因此,研究者转向研究缺乏纤毛的突变异种老鼠的细胞.So the researchers turned to mutant mice with cells that lacked cilia.目的了...
The city of Chengdu lies some seven hundred miles to the South-East.成都市位于东南方大约700英里处。I would say the best students at Chengdu are no laggards.依我看成都最优秀的学生绝不逊色.The car headed directly toward Chengdu.汽车径直朝成都驶去....