see-saw

柯林斯词典

seesaw /ˈsiːˌsɔː/ (also see-saw) (seesaws)

• 1. N-COUNT A seesaw is a long board which is balanced in the middle. To play on it, a child sits on each end, and when one end goes up, the other goes down. 跷跷板

  There was a sandpit, a seesaw and a swing in the playground. 操场上有一个沙坑,一副跷跷板和一架秋千。

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