英语单词

词典成语诗词造句字典单词小说古文名言

def

英 [def] 美 [dɛf]

adj. 极好的；能延期的；首屈一指的

中文词源

def 极棒的

来自definitely的口语。

英文词源

def (adj.): "excellent," first recorded 1979 in Black English, perhaps a shortened form of definite, or from a Jamaican variant of death.

双语例句

1. The IGFBP - 3 SDS was - 1.55 with S 45.8 % , Sp 89.8 %, DEf, 64.3 %.: IGFBP3SDS最佳截定值为-1.55, 比传统-2SD高, DEf为64.3%, Sp较高(89.8%),但S仅为45.8%.

2. The joint use of these 3 laboratory assays showed higher S ( 89.3 % ), Sp ( 93.7 % ), and Def ( 91.2 % ).: 联合使用上述3种测定有较佳的DEf ( 91.2% ), S ( 89.3% ) 和Sp ( 93.7% ).

3. Why don't I have a hi def in my office?: 为什么我的办公室里没有一台高清显示屏?

4. Fishermen try their luck in ponds & def lakes and rivers.: 渔夫在池塘、湖泊和河川里试他们的运气.

5. It is firstly def ined as minus logarithm PH indicator.: 首先定义为氢离子浓度负对数.