In the future the machines will need spare parts and maintenance.这些机器将来会需要备件和维修保养。A technician loads a video tape into one of the machines.一名技师把一盒录影带装进其中一台机器。Many of the machines are gathering dust in basements.许多机器尘封在地下...
She was dancing while someone substituted at the piano.她在跳舞,别人代她弹钢琴.The synthesis methods of melatonin, related tryptaminetryptamine derivatives and substituted indoles are discussed.从人工合成的角度综述了美乐托宁及有关化合物色胺、色胺衍生物及吲哚衍生物的制...
Rabbits propagate [ breed ] rapidly.兔子 繁殖 迅速.The story rapidly became part of family folklore.这个故事很快就成为家族传说的一部分。He was one of a class rapidly becoming extinct in Wessex.在维塞可斯那块地方上,他是属于眼看就要完全绝迹了那种行业中的一员.The malefic influe...