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伊可grace
seesaW(水骚)
有前有钱
seesaw
蝉翼之円
跷跷板怎么读？
tianyaguke1968
teeterboard[`ti:tEbR:d]n.跷跷板
Hello，umi酱！
seesawA seesaw is a long board which is balanced on a fixed part in the middle. To play on it, a child sits on each end, and when one end goes up, the other goes down.
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