圆周上各点离圆心的距离相等。All points on a circle are equidistant from the centre.圆周内两直径必相交.Any two diameters of a circle intersect each other.圆的直径与圆周有相互关系.The diameter and the circumference of a circle correlate....
Even as a humanitarian mission it has been only a qualified success.即便是作为一次人道主义行动，它也不过是取得了有限的成功。He termed the war a humanitarian nightmare.他称这场战争是一场人道主义噩梦。to provide humanitarian aid to the war zone给战区提供人道主义援助...
It is a national movement and has within it people of all political persuasions.这是一场全国性运动，参加者的政治信仰各不相同。She lingered, and resisted my persuasions to departure a tiresome while.她踌躇不去, 我好说歹说地劝她走,她就是不听.Use your best persuasi...
除了租救生衣，水上运动爱好者还应该考虑租一套潜水服。Watersports enthusiasts should consider hiring a wetsuit as well as a lifejacket.湿式潜水服有极佳的隔热性能。A wet suit provides excellent insulation.他们给 深海 潜水员配备了防护帽 、 潜水服和通气管.They geared the deep - sea dive...
《古兰经》劝告人们在朝圣前斋戒，以作为一种补赎。The Koran recommends fasting as a penance before pilgrimages.牙医开始在那颗有问题的牙齿上挖洞，钻孔，直到最后把它补好。The dentist commenced to dig, drill and finally fill the offending tooth.他们前一天整夜未眠，所以这时正在补觉。They had been ...