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单词
directrix
释义
directrix
n. (pl. directrices) Geom. a fixed line used in describing a curve or surface.
Etymology
: med.L f. LL director: see DIRECTOR, -TRIX
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beehive
beeline
Beelzebub
been
beep
beer
beerhouse
beery
beestings
beeswax
beeswing
beet
beetle
beetroot
beeves
BEF
befall
befit
befog
befool
before
beforehand
befoul
befriend
befuddle
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更新时间:2026/9/30 19:02:17