sporadic
英 [sp?'r?d?k]
美 [sp?'r?d?k]
助記提示
1. *sper- "to strew" => sperm, spore, sporadic, sprawl, spray, spread, sprout.
2. Sporadic means etymologically 'scattered like seed'.
3. sperm, spore => sporadic.
4. sprout => sporadic.
5. spore => sporadic.
6. spread => sporadic.
中文詞源
sporadic 間發(fā)性的，斷斷續(xù)續(xù)的來自 spore,孢子，-adic,形容詞后綴。即孢子狀的，引申詞義間發(fā)性的，斷斷續(xù)續(xù)的等。
英文詞源
- sporadic
- sporadic: [17] Sporadic means etymologically ‘scattered like seed’. It comes via medieval Latin sporadicus from Greek sporadikós, a derivative of the adjective sporás ‘scattered’. This was formed from the same base as produced sporá ‘a(chǎn)ct of sowing, seed’, ancestor of English diaspora [19] (etymologically ‘dispersal’) and spore [19]. And both were related to speírein ‘sow’, source of English sperm.
=> diaspora, sperm, spore - 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.
雙語例句
- 1. There were reports of sporadic fighting in the streets.
- 有報道說街上有零星戰(zhàn)斗.
來自《簡明英漢詞典》
- 2. The area has been the scene of sporadic artillery duels over the last six weeks.
- 在過去的6周中，該地區(qū)曾經(jīng)發(fā)生過零星的炮擊。
來自柯林斯例句
- 3. In its common'sporadic " form, Creutzfeldt -- Jakob disease is rare in people under 50.
- 克雅氏病通常以“個例 ” 形式而且在50歲以下的人中偶發(fā).
來自英漢非文學(xué) - 生命科學(xué) - 口蹄疫瘋牛病
- 4. The sound of sporadic shooting could still be heard.
- 仍能聽見零星的槍聲。
來自辭典例句
- 5. Her attendance at school was sporadic.
- 她三天兩頭曠課。
來自辭典例句