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单词
conic section
释义
conic section
n.
【数】
圆锥曲线;圆锥截线;二次曲线
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upstanding
upstandingness
upstare
upstart
upstate
upstater
upstaters
upstay
upstep
upstepped
upstepping
upstir
upstirred
upstirring
upstood
upstream
upstretched
upstroke
up-sum
upsurge
upsurgence
upsurgences
upswarm
upsway
upsweep
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更新时间:2026/5/14 6:56:32