His acting career started brilliantly, then sank into mediocrity.他的演艺生涯开场时轰轰烈烈，然后就变得庸庸碌碌。His plays are distinguished only by their stunning mediocrity.他的戏剧与众不同之处就是平凡得出奇.The old poet decried the mediocrity of today's...
约翰·梅杰和爱丁堡公爵走在送葬队伍前面。John Major and the Duke of Edinburgh led the mourners.公爵对别人把他看作钱包鼓鼓、游手好闲的人感到气愤。The Duke resents being seen as a moneyed idler.公爵为海伦女士和她的成就感到自豪，这很容易理解。The duke is understandably proud of Lady Helen and...
在需氧体系中, 氧是末端电子接受体并且被还原.In aerobic systems, oxygen is the terminal electron acceptor and is reduced.许多天然纤维在需氧菌的侵袭下则迅速腐坏.Many natural fibers decay rapidly when exposed to aerobic cultures.幽门杆菌是一只革兰氏阴性螺旋菌, 生活在微需氧的环境下.Helico...