01992251-v
V1 |
| 玩跷跷板, 玩 跷跷板, 上下摇动, 交替起伏, 交替 起伏 |
| seesaw |
| |
move up and down as if on a seesaw |
|
04167759-n
|
| 上下动, 跷跷板, 上下摇动, 玩跷跷板, 玩 跷跷板 |
| seesaw, teeter, teeter-totter, teetertotter, teeterboard, tilting board, dandle board |
| |
a plaything consisting of a board balanced on a fulcrum; the board is ridden up and down by children at either end |
|
02304208-a
|
| 波动, 上下摇动, 波动+的, 上下摇动+的 |
| fluctuating |
| |
having unpredictable ups and downs |
|
01225684-v
(4)
V2 |
| 抽吸 抽机, 上下 抽动, 上下摇动, 上下抽动 |
| pump |
| |
operate like a pump; move up and down, like a handle or a pedal |
|