| 词汇 | teeter |
| 词根词缀 | 词源： 1843, "to seesaw," alteration of M.E. titter "move unsteadily," probably from O.N. titra "to shake, shiver, totter," related to Ger. zittern "to tremble." Noun teeter-totter "see-saw" is attested from 1905. |
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