| 单词 | periphery |
|---|---|
| 音标 | [pə'rifəri] |
| 解释 | n.不重要的部份；外围 |
| 红宝书 | 【英】 n. 外围，不重要的部份( the external boundary or surface) 【记】 peri(周围)＋pher(带 )＋y→带到周围→外围 【例】 Bill lives on the periphery of a big city, and he takes a bus downtown every day to work. |
| 字源 | periphery (n.) late 14c., "atmosphere around the earth," from Old French periferie (Modern French périphérie), from Medieval Latin periferia, from Late Latin peripheria, from Greek peripheria "circumference, outer surface, line round a circular body," literally "a carrying around," from peripheres "rounded, moving round, revolving," peripherein "carry or move round," from peri- "round about" (see peri-) + pherein "to carry" (see infer). Meaning "outside boundary of a surface" attested in English from 1570s; general sense of "boundary" is from 1660s. |
| 不择手段背单词 | n. 外围; 不重要的部份 【反】center(n 中心); essence(n 基本; 本质); core(n 果核; 中心); important part(重要部份); central area(中心地带) |
| 趣味全助记 | 【记】peri + fer(ph=f) 携带→外带着的；peri- 周围 + sphere 球，范围→外围； 【相关】aerosphere 大气层 |
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Periscope periskəup n.潜望镜 英 潜望镜(a long tube mirrors
Previous card: Peripheral adj periphery relevance pə'rifərəl a.不重要的，外围的 英 不重要的，外围的(of
Up to card list: 极品GRE红宝书(简体中文)