小数: decimal; small number; decim ...第二: second位: place; location倒数第二位: penultimate倒数第二位碳: penultimate carbon小数第三位: third decimal place第二位: second place; v2 word order倒数第二: booby; last bur one; last but one; next to the last倒数第二的: penultimate倒数第二个: penult倒数第二级: penultimate stage倒数第二句: the last sentence but one倒数第二行: the second line from the bottom倒数第二页: the second last page大第二位置: grande seconde第二位的: number two; secondary第二位数: second order digit第二位数字: second-order digit第二位责任: secondary liability第二位置: deuxime居第二位: come off second best在第二位: secondarily占第二位: second倒数第二音节: penultimate第二位点突变: second-site mutation