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Semicircle

['semɪsɜːkl] or ['sɛmɪsɝkl]

解釋/意思:

(noun.) a plane figure with the shape of half a circle.

奥古斯都手打--From WordNet

解釋/意思:

(n.) The half of a circle; the part of a circle bounded by its diameter and half of its circumference.

(n.) A semicircumference.

(n.) A body in the form of half of a circle, or half of a circumference.

(n.) An instrument for measuring angles.

奥尔多手打

例句/造句/用法:

亚历山大校對

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