new
ball(-type)valve的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：
英英釋義
名詞 ball:
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round object that is hit or thrown or kicked in games
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a solid projectile that is shot by a musket
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an object with a spherical shape
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the people assembled at a lavish formal dance
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one of the two male reproductive glands that produce spermatozoa and secrete androgens
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a spherical object used as a plaything
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United States comedienne best known as the star of a popular television program (1911-1989)
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a compact mass
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a lavish dance requiring formal attire
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a more or less rounded anatomical body or mass
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the game of baseball
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a pitch that is not in the strike zone
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form into a ball by winding or rolling
