They have been given college scholarships purely on athletic ability.他们完全是凭体育特长才获得了大学奖学金。Any resemblance to actual persons, places or events is purely coincidental.如与真人、真实地点或真实事件有雷同之处，纯属巧合。The evidence against him was pu...
His car rolled over after a tyre was punctured.一只轮胎被扎破后，他的车翻了个底朝天。Some glass on the road punctured my new tyre.路上的玻璃刺破了我的新轮胎.A nail on the road punctured the tyre.路上的钉子把车胎戳穿了....
Dextrin non - toxic, non - corrosion, soluble in water, do not dissolve in alcohol, has strong cohesive force.糊精无毒 、 无腐蚀 、 易溶于水 、 不溶于酒精, 具有较强的粘结力.The dextrin was used as pore - making agent and binder.以糊精作为造孔剂及粘结剂,制备出了多孔...
There are hundreds of poisonous spiders and snakes.毒蜘蛛和毒蛇成百上千。When field bunds which planted soybean or kept weeds, spiders density increased in rice field.蜘蛛在稻田的密度在田埂种豆或蓄草条件下增高.One authority made a census of the spiders...
正割函数的倒数，称为余割函数。The value of the complement of the secant is called the cosecant.二元函数的列表法是不方便的, 然而是可能的.A tabulation of a function of two variables is cumbersome, but possible.母函数是研究用递推关系来确定的函数的最理想工具.Generating functions a...