第一: first; primary; foremost; fi ...基: base; foundation室: room第一基本量: first fundamental quantity第一基金: first fund基室: basal cell第一基本形式: first fundamental form第一基督教堂: first christian church福利经济学第一基本定理: fundamental theorems of welfare economics曲面的第一基本形式: first fundamental form of surface第二基室: second basal cell; second busal cell基室横脉: basilar cross vein培养基室: culture medium laboratory十一基: hendecyl; undecyl; undecyl group廿一基: heneicosyl单一基金: single fund二十一基: heneicosyl; hentriacontyl三十一基: hentriacontyl十一基苯酚: undecyl phenol统一基金: consolidated fund联邦统一基金: federalconsolidatedfund十一基噻吩烷: undecyl thiophane统一基准面的: flat datum第一: first; primary; foremost; first and foremost 第一号种子选手 no. 1 seeded player; 天下第一 the best in the world; 该领域学者中名列第一的人 the first among the scholars in this field; 一个两门功课都获得第一的优等生 a very fine student who took a double first; 获得第一名 win first place; get a first; win a championship; 他在班上名列第一。 he stands first in his class.; 第一夫人 the first lady (国家元首夫人); 第一副本 first authentic copy; duplicate; 第一家庭 the first family (国家元首一家); 第一宇宙速度 first cosmic velocity (物体具有每秒7.9公里的速度时, 就和地心引力平衡, 又叫环绕速度); 第一主犯 principal in the first degree单一基因调节系统: single gene regulatory system