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单词
mass number
释义
mass number
Physics.
the integer nearest in value to the atomic weight of an atom and equal to the number of nucleons in the nucleus of the atom.
Symbol:
A
[
1920-25
]
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proteose
protero-
proterotype
Proterozoic
Palladio
palladium
Palladium
palladous
Pallas
pallbearer
pallet
palleted
palletize
pallet knife
pallette
pallial
palliasse
palliate
palliative
pallid
pallium
Pall Mall
pall-mall
pallor
pally
英语词典包含168451条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
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更新时间:2026/7/4 3:18:46