o

n (pl O's, o's / EUz; oz/) 1 the fifteenth letter of the English alphabet 英语字母表的第十五个字母: There are two O's in Oxford. 在Oxford一词中有两个O. 2 O-shaped sign or mark O形符号或记号: The child's mouth formed a big O in surprise. 那孩子惊奇得张著嘴像个大O字. 3 (in saying telephone, etc numbers aloud) zero; nought （说电话等号码时的）0, 零: `My number is six o double three', ie 6033. ｀我的号码是6033.＇ * `He's in room one o two', ie 102. ｀他在102号房间.＇ =>Usage at nought 用法见 nought.

nutrition, nutritional, nutritionally, nutritionist, nutritious, nutritive, nuts, nutshell, nutter, nutty, nuzzle, NW, NY, NYC, nylon, nymph, nymphet, nympho, nymphomania, nymphomaniac, O level, o', o'clock, o'er, O, o, O, oh, O.K., oaf, oafish, oak, oak-apple, oaken, OAP, oar, oarfish, oarlock, oarsman, OAS, oasis, oast,