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	twin-ball float twin band twin band-mill twin band mill twin bands twin band saw machine twin-bank engine twin-bar bumper twin barrel carburetor twin-barreled twin-batch paver twin bead twin-beam model twin beam oscilloscope twin beams twin-bearing screen twin-bed twin bed twin-bedded twin bedded twin-beddeds twin bedroom twin beds twin-beds method twin-belt caster 左一壶右一壶左一说右一问左不是右不得左不是，右不是左传左右为社鼠，用事者为猛狗，则术不行矣左右为难，一筹莫展左右为难，犹豫不定左右为难，进退维谷左右是左右打ちっ放し打ちつける打ちつづく打ちつれる打ちでのこづち打ちでの小づち打ちでの小槌打ちとける打ちとる打ちどころ