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单词
ED
50
释义
ED
50
Pharm.
effective dose for 50 percent of the group; the amount of a drug that is therapeutic in 50 percent of the persons or animals in which it is tested.
随便看
Ona
on-again, off-again
onager
onagraceous
on-air
onanism
Onassis
on-board
on-camera
once
once-over
once-over-lightly
onchocerciasis
oncidium
onco-
oncogene
oncogenesis
oncogenicity
oncology
oncoming
oncornavirus
ondine
onding
ondograph
one
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:2026/10/14 14:35:26