- 回旋陀螺
- 咔噠背甲獸
- rattlebox: 格格響的玩具盒; 轟匣; 玩具盒
- rattle-voiced tree-frog: 鼠吱雨蛙
- rattlebrain: 頭腦空虛的人; 愚蠢多嘴的人
- rattle-snake: 〔美國〕【動物；動物學(xué)】響尾蛇 (rattle snake and polecat 〔美國〕時常吵鬧的兩個人)。
- rattlebrained: 頭腦空虛的; 愚蠢多嘴的
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rattleback中文什么意思
- 回旋陀螺
- 咔噠背甲獸
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百科釋義
A rattleback is a semi-ellipsoidal top which will rotate on its axis in a preferred direction. If spun in the opposite direction, it becomes unstable, "rattles", stops and reverses its spin to the preferred direction.
詳細百科解釋