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单词 hand plate
释义

hand plate

/ˈhan(d) ˌpleɪt/
noun
1A piece of metal or porcelain fixed to a door to prevent marks being left on the surface of the door when it is opened or closed.
2 Embryology. In an early embryo: an expanded, flattened area of tissue at the end of the limb-bud of the forelimb, which develops into the hand or forefoot.

Origin

Early 19th century. From hand + plate.

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更新时间:2024/9/23 20:12:48