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单词
LD50
释义
LD50
\ˌelˌdēˈfiftē\
noun
Etymology:
l
ethal
d
ose
:
the amount of a toxic agent (as a poison, virus, or radiation) that is sufficient to kill 50% of a population of animals usually within a certain time
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ungratefulness
ungratified
ungrave
ungraven
ungreased
ungreeted
ungregarious
MD
Md
m-day
MDD
mdewakanton
mdlle
mdm
MDMA
mdme
mdnt
m-dog
MDR
MDS
mdse
mdt
me
ME
Me
英语词典包含332784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:2026/8/11 9:33:54