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单词 keystoning
释义

Definition of keystoning in English:

keystoning

noun ˈkiːstəʊnɪŋ

  • The action of giving something a trapezoidal shape; the result of this. Now chiefly Cinematography, Television, and Photography: the keystone effect; distortion arising from this.

Origin

1920s; earliest use found in U.S. Patents. From keystone + -ing.

Definition of keystoning in US English:

keystoning

nounˈkiːstəʊnɪŋ

  • The action of giving something a trapezoidal shape; the result of this. Now chiefly Cinematography, Television, and Photography: the keystone effect; distortion arising from this.

Origin

1920s; earliest use found in U.S. Patents. From keystone + -ing.
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更新时间：2025/1/14 12:35:02