| 词汇 | seesaw |
| 词根词缀 | 词源： 1640, in see-saw-sacke a downe, words in a rhythmic jingle used by children and repetitive motion workers, probably imitative of the rhythmic back-and-forth motion of sawyers working a two-man saw over wood or stone (see saw). Ref. to a game of going up and down on a balanced plank is recorded from 1704; fig. sense is from 1714. Applied from 1824 to the plank arranged for the game. The verb is from 1712. |
| 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。