单词 derrick 释义 derrick n 1 large crane for moving or lifting heavy weights, esp on a sh......

单词 derring-do 释义 derring-do n[U] (arch or joc 古或谑) heroic deeds 英勇事迹 stirring t......

单词 descend 释义 descend v 1 (fml 文) (a) [I, Tn] come or go down (sth) 下来; 下去; 下降 ......

单词 opportunate 释义 † opportunate, a. Obs.[irreg. f. L. opportn-us fit, suitable, oppor......

单词 opponent 释义 opponent, a. and n.|pnnt|[ad. L. oppnent-em, pr. pple. of oppnre: see o......

单词 opponency 释义 opponency|pnns|[f. opponent a. and n.: see -ency.]1. The action of an ......