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单词
rockoon
释义
WordReference Random House Unabridged Dictionary of American English © 2024
rock•oon
(rok
′
o̅o̅n, ro ko̅o̅n
′
),
USA pronunciation
n.
Rocketry
a rocket launched from a balloon at a high altitude.
rock
(
et
1
) + (
ball
)
oon
1950–55
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dsna
d.s.o.
dso
d.s.p.
dsr
d.s.s.
dss
d.s.s
dst
d. surg.
d.s.w.
dt
d.t.d.
d.th.
dti
dtlr
dtp
d.t.'s
dt's
dtt
-du-
du.
du
duad
dual
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更新时间:2025/11/24 11:53:11