The pumps must be of the low shear Archimedes screw type.泵必须是低剪切力的阿基米德螺旋式泵.These results parallel Archimedes'geometric theorems.这些结果可与阿基米德斯的几何定理相比.Archimedes flourished in the 3 rd century B.C.阿基米德活跃于公元前三世纪;阿基米德是公元前...
My girlfriend Lynn and I eloped.我和女友琳恩私奔了。In 1912 he eloped with Frieda von Richthofen.1912年，他和弗丽达·冯·里希特霍芬私奔了。The couple eloped last night.昨晚上他们俩私奔了....
我突然感到莫名的惆怅。I suddenly felt unutterably depressed.她勉强露出颇带惆怅的一丝笑容.She managed a rueful little smile.四小姐这无名的惆怅也是最近三四天内才有的.An indefinable sadness had come over Huei - fang these last few days....