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单词
cissoidal
释义
WordReference Random House Unabridged Dictionary of American English © 2024
cis•soid
(sis
′
oid),
USA pronunciation
n.
[
Geom.
]
Mathematics
a curve having a cusp at the origin and a point of inflection at infinity. Equation:
r
= 2
a
sinθtanθ.
Greek
kissoeidé̄s,
equivalent. to
kiss
(
ós
) ivy +
-oeidēs
-
oid
1650–60
cis•soi
′
dal
,
adj.
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resend
resent
resentful
resentfully
resentfulness
resentingly
resentive
resentment
reserpine
reservable
reservation
reservationist
re-serve
reserve
reserve bank
reserve buoyancy
reserve capacity
reserve clause
reserve currency
reserved
reserved list
reservedly
reservedness
reserved occupation
reserved power
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更新时间:2025/8/1 4:21:40