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单词
bel
释义
bel
1
/bel/
noun
A unit used to express a relationship between two power levels, the number of bels being the logarithm to the base 10 of the ratio between the two levels
Cf decibel
ORIGIN:
Alexander Graham
Bell
(1847–1922), inventor of the telephone
bael
,
bel
or
bhel
/bel/
noun
A thorny Indian rutaceous tree (
Aegle marmelos
)
Its edible fruit, the Bengal quince
ORIGIN:
Hindi
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更新时间:2024/12/23 9:55:35