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单词
median lethal dose
释义
median lethal dose
noun
The dose of a drug or of ionizing radiation that kills 50 per cent of test subjects; symbol
LD
50
.
Origin
1920s
.
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born and bred
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borne
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born-free
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born in (or out of) wedlock
born in (or to) the purple
bornite
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born on the wrong side of the blanket
boro-
Borobudur
soleplate
sole proprietor
solera
solera system
solera wine
sole trader
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soleus
soleus muscle
sol-fa
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更新时间:2025/3/23 15:44:59