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单词
krypton
释义
krypton
kryp
ton
/
ˈkrɪptɑn
/
noun
[uncountable]
(
symbol
Kr
)
Etymology
ETYMOLOGY
krypton
Origin:
1800-1900
Greek
kryptos
hidden
science
,
chemistry
a gas that is an
element
, found in very small quantities in the air
随便看
Uruguayan
U.S.
us
U.S.A.
usable
USAF
usage
USB
USB drive
USCIS
USDA
use
used
used to
useful
usefully
usefulness
useless
uselessly
uselessness
Usenet
user
user fee
user-friendliness
user-friendly
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更新时间:2025/7/30 10:56:18