| 词汇 | plumb |
| 词根词缀 | 词源： plumb (n.) c.1300, "lead hung on a string to show the vertical line," from O.Fr. *plombe, plomme "sounding lead," from L.L. *plumba, originally pl. of L. plumbum "lead," the metal, of unknown origin, related to Gk. molybdos "lead" (dial. bolimos), probably from an extinct Mediterranean language, perhaps Iberian. The verb is first recorded c.1380, with sense "to immerse;" meaning "take soundings with a plumb" is first recorded 1568; fig. sense of "to get to the bottom of" is from 1599. Plumb-bob is from 1835. Adj. sense of "perpendicular, vertical" is from c.1460; the notion of "exact measurement" led to extended sense of "completely, downright" (1748), sometimes spelled plump or plunk. 词根记忆： n. 铅锤[plumb=lead,表示"铅"] 词根词缀： plumb plumb n 铅锤plumb=lead,表示”铅” plumb n 铅锤plumber n 管道工(plumb+er人,不少管道用铅做成) plummet v 突然下落(铅很重,所以下落很快) plimp a 丰满的,胖乎乎的(plump=plumb,铅锤是圆的,所以是”丰满的”) plump v 倒下,坠下 |
| 随便看 |
英语词根词缀词典收录了31503条英语词根词缀词条，基本涵盖了全部常用英语词汇的词根、词缀及词根记忆法解析，是记忆英语词汇的必备工具。