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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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sweeten
sweetened
sweetener
sweeteners
sweetening
sweetening
sweetenings
sweetens
sweeter
sweetest
sweet fennel
sweet fern
sweet flag
sweet gale
sweet gum
sweetheart
sweethearted
sweethearting
sweethearts
sweetie
sweeties
sweeting
sweeting
sweetings
sweet marjoram
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更新时间:2026/2/28 7:01:04