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单词
berkelium
释义
berkelium
/bɜ:ˈki:liəm, ˈbɜ:kliəm/
n. Chem.
a transuranic radioactive metallic element produced by bombardment of americium (symbol
符
Bk
)
【化】
(
化学元素
)
锫
[modern Latin from
Berkeley
in California (where it was first made) + -IUM]
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upside down
upside-down cake
upsides
upsilon
upstage
upstairs
upstanding
upstart
upstate
upstater
up sticks
up sticks
upstream
upstroke
upsurge
upswept
upswing
upsy-daisy
uptake
up-tempo
up the creek
up the pole
up the pole
up the spout
up the spout
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更新时间:2025/8/6 7:37:55