那么有什么她不愿触及的禁忌吗？她毫不犹豫地回答：“政治。”So is there any taboo she wouldn't touch? Unhesitatingly she replies, "Politics."这种药物的禁忌证包括肝脏或肾脏损伤。Contraindications for this drug include liver or kidney impairment.凯尔特语中的geis一词通常被译作tab...
用阿基米德螺线能成功地解决化圆为方的问题,方法很简单.A neat solution of the quadrature problem can be achieved with the spiral of Archimedes.现在的密封槽型比较常用的是对数螺线槽.Now the commonly used seal groove is a logarithm spiral groove.螺线齿轮被用于传送在平行的轴之间的行动.Hel...