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- pendulum seesaw 钟摆式摇摇板
- The pendulum of the clock in my room is a bear. 我房间的钟摆是小熊形状的。
- Then the lead went seesaw between the two runners. 接着这两名运动员轮番领先。
- The seesaw battle is believed underway. 人们相信这种拉锯战正在进行中。
- The pendulum swings with great regularity. 钟摆很有规律地摆动着。
- The most exciting one is a seesaw match. 最令人兴奋的是那种比分接近的比赛。
- Back and forth swung the pendulum. 钟摆来来回回地摆动。
- Near the seesaw I saw a saw saw the wood into four. 在跷跷板附近，我看见一个锯子把那木头锯成四段。
- The pendulum swung back and forth. 钟摆来回地摆动。
- The boy keeps the seesaw in balance. 这个男孩儿让跷跷板保持平衡。
- The pendulum swung slowly to and fro. 钟摆在慢慢地来回摆动。
- The children are playing at seesaw. 孩子们在玩跷跷板。
- The pendulum's swing is 12 inches. 钟摆的振幅为12英寸
- Seesaw:What's today,Thursday or Friday? 跷板:今天是星期几,星期四还是星期五?
- Lily and Linda are sitting on the seesaw. 莉莉和琳达正坐在跷跷板上。
- A seesaw battle was believed under way. 据信正在进行拉锯战。
- A pendulum swings back and forth. 钟摆前后摆动。
- The pendulum clock was invented in 1657. 钟摆是1657年发明的。
- Great rollers make vessels play pendulum. 大浪使船只摇摇晃晃。
