| 单词 | see-saw |
| 释义 | see-saw n., v., adj., & adv. --n 1. a a device consisting of a long plank balanced on a central support for children to sit on at each end and move up and down by pushing the ground with their feet. b a game played on this. 2. an up-and-down or to-and-fro motion. 3. a contest in which the advantage repeatedly changes from one side to the other. --vintr. 1. play on a see-saw. 2. move up and down as on a see-saw. 3. vacillate in policy, emotion, etc. --adj & adv. with up-and-down or backward-and-forward motion (see-saw motion). Phrases and idioms go see-saw vacillate or alternate. Etymology: redupl. of SAW(1) |
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