柯林斯詞典seesaw /?si??s??/ (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. 蹺蹺板 There was a sandpit, a seesaw and a swing in the playground. 操場(chǎng)上有一個(gè)沙坑,一副蹺蹺板和一架鞦千。 返回 seesaw劍橋詞典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 . 蹺蹺板 返回 seesaw