The texts were sung in the original Italian.这些歌词是用原来的意大利语演唱的。The piece is most often sung unaccompanied.这首歌大部分是在没有伴奏的情况下清唱的。Thanks to Kao Sung - nien's skill , the turmoil had been quelled.亏高松年有本领, 弹压下去.Ai, and I st...
沙地足迹footprints in the sand猎狗凭着嗅觉顺着狐狸的足迹向前跑去.The hounds ran ahead, following their noses on the trail of the fox.他是个伟大的旅行家,足迹踏遍了全世界.He is a great traveler and has moved about all over the world....
这种点的集合被称为等位面.The set of points is called a level surface.表面本身是一等位面.The surface itself is an equipotential.在等位面与电力线的每个交点, 两者是垂直的.At each crossing of an equipotential and a field line, the two are perpendicular....