第一: first; primary; foremost; fi ...二: two三: three四: four天: sky; heaven从左(顺)数第一(二,三): be the first /second / third from the left / right从左(顺)数第一(二,三)个: be the first /second / third from the left / right位形(二)组态(三): configuration一,二,三,给我玩: one two three play with me导电率(二)传导性(三): conductivity二、三、四地址指令: two three or four address ins truction第一、二、三产业: primary secondary and tertiary industries猎人 第一、二、三季: city hunter四天: four days三: Ⅰ数词1.(二加一后所得) three 三倍 three times; threefold; triple; 三幕喜剧 comedy in three acts; 三岁小孩 a child of three2.(表示多数或多次) more than two; several; many 接二连三 one after another; in quick succession; 三思 think again and again; think twice (about doing sth.); 三弯九转 (full of ) twists and turns; 再三考虑 consider over and over againⅡ名词(姓氏) a surname 三成志 san chengzhi三a: triple a二: Ⅰ数词(一加一后所得) two 二两茶叶 two liang of tea; 二路公共汽车 no. 2 bus; 二嫂 wife of one's second elder brother; 二者必居其一 either one or the other; 三千二 three thousand two hundred; 一百二 a hundred and twenty; 二二得四。twice two is four. 二层楼[英国] first floor; [美国] second floorⅡ形容词(两样) different 不二法门 standard practice; 不二价 one-price; 二心 disloyalty; half-heartedness第四天: day four; last day; polonnaruwa每四天: dieb quart; diebus quartis十四天: fortnight四天地: four worlds四天王: four heavenly kingsx-三: triple x syndromexyy-三: xyy syndrome群 (三): chen qun