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单词
vacuum tube
释义
vacuum tube
n.
a tube with a near-vacuum for the free passage of electric current
真空管,电子管
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kayo
Kazakh
Kazakhstan
kazoo
KB
KBE
kbyte
KC
kc
kcal
KCB
KCMG
kc/s
KCVO
KE
kea
kebab
ked
kedge
kedgeree
keek
keel
keel
keelboat
keelhaul
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更新时间:2025/3/30 1:44:03