| 正面 | 4175.optimistic 英 [ɒptɪ'mɪstɪk]美 [,ɑptɪ'mɪstɪk]     |
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| 背面 |      释义： 1. cantus => chant; cantus => accent (ac- + cant- => *accant- => accent).2. cant- (cantare: sing): accent, cant, chant, enchant, incantation.adj. 乐观的；乐观主义的 例句： 1. Before his first round of discussions, Mr Baker sounded an optimistic note.第一轮讨论前，贝克先生听上去还比较乐观。 optimistic (adj.)1845, from optimist + -ic. Related: Optimistical (1809); optimistically." |