Question

5764.optional英 ['ɒpʃ(ə)n(ə)l]美 ['ɑpʃənl]

Accepted Answer

释义：adj. 可选择的，随意的n. 选修科目例句：1. We also recommend a full day optional excursion to the Upper Douro.我们还推荐去杜罗河上游的短途自选一日游。1. brew => broth "liquid in which something has been boiled".2. 同源词：brew, broth, broil.3. heat, boil, bubble => brew, broth, broil.optional (adj.)1765, from option + -al (1)."

正面	5764.optional 英 ['ɒpʃ(ə)n(ə)l]美 ['ɑpʃənl]
背面	释义： adj. 可选择的，随意的n. 选修科目例句： 1. We also recommend a full day optional excursion to the Upper Douro.我们还推荐去杜罗河上游的短途自选一日游。 1. brew => broth "liquid in which something has been boiled".2. 同源词：brew, broth, broil.3. heat, boil, bubble => brew, broth, broil. optional (adj.)1765, from option + -al (1)."

Optional Broth 5764.Optional 英 ɒpʃ(ə)N(ə)L]美 ɑpʃənl 释义 Adj