Euclid was trying to convey his idea of a geometrical point.欧几里得试图表达他的一个几何学观点。To convey horizontally by advection.平流传递通过平流水平传递.My letters sometimes convey no ideas at all to my correspondents.有时候收信人读到我的信,只觉得不知所云.It is di...
节节草(Equisetumramosissimum) 为木贼科(Equisetaceae) 木贼属(Equisetum)植物,分布全国各地.药用全草,味甘、微苦 、 性平.Equisetum ramosissimum is species of Equisetum genus of Equisetaceae, widely distributed all over of China....