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	biconical cusp biconical dipole biconical horn biconical horn antenna biconically biconical package biconical reflector biconical rotor biconical speaker biconical waveguide biconic, biconical biconic swelling biconjugate biconjugato-pinnate biconnected biconnected component biconnected components biconnected graph biconnected subgraph biconnectivity biconsonantal biconstituent biconstituent fiber biconstituent fibre biconstituent fibre reinforcement 鸥鸥1 鸥2 鸥3 鸥水相依鸥波萍迹鸥鹭忘机鸦鸦1 鸦2 发冢发冷发凉发凡发出发刊发利市发刷发刷子发剪