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单词
rocket sled
释义
rocket sled
n.
(名词)
A rocket-propelled sled that travels along rails and is used to study acceleration, deceleration, and crash survival techniques.
火箭滑车,火箭滑橇:一种用于研究加速、减速及摔机保全技术的由火箭发动机推动而在轨道上滑跑的滑车
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pinhead
pinhole
pinier
pinier
pinies
piniest
piniest
pining
pinion
pinioned
pinioning
pinions
pinite
pinites
pink
pink
pink bollworm
pink-collar
pinked
Pinkerton
Pinkertons
pinkeye
Pinkham
pinkie
pinkier
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更新时间:2026/6/16 13:35:59