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单词 astroid
释义 as·troid
I. \ˈaˌstrȯid\ adjective
Etymology: Greek astroeidēs starlike, from astr- + -oeidēs -oid
: shaped like a star
II. noun
(-s)
Etymology: astr- + -oid
: a hypocycloid of four cusps, the radius of the rolling circle being one fourth that of the fixed circle
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更新时间:2024/11/10 19:00:11