英语词汇“optional obligation”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	optional obligation
释义	optional obligation [ˈɔpʃənl ˌɔbliˈɡeiʃən] [法]选择之债
随便看	droplet mass transfer coefficient droplet mean diameter droplet mechanics droplet model droplet nuclei droplet nuclel dropleton droplet redeposition droplets droplet separator droplet size droplet size distribution droplet spectra broadening droplet spectrum drop letter drop-letter drop(let) test droplet transfer droplet transmission droplet under finish drop lever drop lifter drop light droplight droplights 花开不并百花丛，独立疏篱趣未穷。宁可枝头抱香死，何曾吹落北风中。花开不用剪刀裁花开两朵，各表一枝花开人不归，节暖衣须变。回钗挂反环，拭泪绳春线。今夜月轮圆，胡兵必应战。花开千朵，各表一枝花开叶落堪悲，似水年光暗移花开在春天，读书在少年花开堪折直须折花开堪折直须折，莫待无花空折枝。花开天下暖，花落天下寒ふいご【鞴・韛】ふいちょうふいちょう【吹聴】ふいつふいつ【不一（不乙）】ふいとふいふいきょうふいりふいりふいり【不入り】