| 单词 | seesaw |
| 释义 | seesaw UK ['si:.sɔ:] US [-sɑ:] noun countable (US also teeter-totter) ■a long board that children play on. The board is balanced on a central point so that when a child sits on each end they can make the board go up and down by pushing off the ground with their feet. 跷跷板 UK ['si:.sɔ:] US [-sɑ:] verb intransitive ■to change repeatedly from one emotion, situation, etc. to another and then back again （情绪、局势等）摇摆不定，不断反覆，交替 •His mind seesawed between hope and despair all through those weeks.那几个星期里，他一会儿心怀希望，一会儿又感到绝望，心情阴晴不定。 |
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