单词	光圈数--f 圈
释义	f 圈；光圈数f-number
随便看	immunity， colostral immunity，colostral immunity， congenital immunity，congenital immunity， cytotoxic immunity，cytotoxicity immunity， herd immunity，herd immunity， humoral immunity，humoral immunity， individual immunity，individual immunity， inherited or innate immunity，inherted or innate immunity，innate immunity， intestinal immunity，intestinal immunity， lactogenic immunity，lactogenic immunity， local immunity，local immunity， mammary immunity，mammary immunity，mass immunity， mucosal