| 释义 |
四级四级[sì jí]1.■level Four; Band Four; Fully Good
常用词组1.■四级胺 quaternary ammonium compound;2.■四级蛋白质结构 quarternary protein structure;3.■四级电离 {物} quarternary ionization;4.■四级风 force 4 wind; moderate breeze;5.■四级火箭 fourstage rocket;6.■四级结构 quaternary structure;7.■四级精度 rough grade;8.■四级考试 Band Four Test;9.■四级四元数 quadriquaternion |