英语词汇“optional”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	optional
释义	optional ['ɒpʃәnl] -1 a. 可选择的, 随意的 [化] 选购的 (高研四六托雅宝 5692/5815)\n
随便看	buffered input/output section buffered i/o buffered I/O channel buffered keyboard buffered keyboard printer buffered keypunch buffered line buffered line printer buffered memory buffered mode buffered network buffered output area buffered page buffered printer buffered repeater buffered seek operation buffered silica gel buffered station buffered terminal buffered tower buffered write-through buffer effect bufferel chemical solutions buffer element buffer elution 米廉酒好；吴松江上粉墙东畔小桥横粉墙丹柱动光彩粉痕销淡锦书稀粉翎栖画阁粉蝶儿粉融香雪透轻纱粉裳缟夜粉阵红围粉香吹下箬箬帽箬笠箬鳎鱼箭箭不虚发箭书箭囊箭在弦上箭垛子