| 单词 | sporadic |
|---|---|
| 音标 | [spə'rædik] |
| 解释 | a.不定时发生的 |
| 红宝书 | 【英】 adj.不定时发生的(oc curring occasionally) 【考】 反义词：chronic(长 期的) 【例】 sound of sporadic gunfire |
| 字源 | sporadic (adj.) 1680s, from Medieval Latin sporadicus "scattered," from Greek sporadikos "scattered," from sporas (genitive sporados) "scattered, dispersed," from spora "a sowing" (see spore). Originally a medical term, "occurring in scattered instances;" the meaning "happening at intervals" is first recorded 1847. Related: Sporadical (1650s); sporadically. |
| 不择手段背单词 | adj. 不定时发生的 【记】spor = sper发散, 散发, adic: 发散的－不定期的 【反】chronic(adj 长期持续的); regular(adj 规则的; 定期的); frequent(adj 时常发生的) |
| 趣味全助记 | 【记】spore 孢子是零星存在的，象蒲公英的种子飘来飘去的，零零星星的 |
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