| 词汇 | unfortunately |
| 词根词缀 | 词源： 1540s, from unfortunate. Originally "not successfully, to a regrettable extent." The proper meaning is now rare; the main modern sense of "sad to say," in parenthetical use, recorded from 1770s. 词根记忆： ad.不幸地He was unfortunately caught in the shower.他运气不好遇到这场阵雨. |
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