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	unartistic unartistically unartistlike unary unary array unary Boolean operator unary expression unary form unary function unary minus operator unary minus quadruple unary operation unary operations unary operator unary predicate calculus unary relation unary restricted zero-sided Lindenmayer system unary subquery unary system unary transformation unas unasa unascendable unascended unascendible rfws rfxs rfxsjss rfyr rfys rgbs rgdt rghf rghj rglj とうけいとうけい【刀圭】とうけい【東経】とうけい【統計】とうけい【闘鶏】とうけつとうけつ【凍結】とうけんとうけんとうけん【刀剣】