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词汇 lumen
释义
lumen
noun [ C ] specialized uk/ˈluː.mən/ us/ˈluː.mən/
(UNIT OF LIGHT)
physics (abbreviation lm)(光的单位)流明
a unit for measuring the amount of light something produces
a light bulb rated at 750 lumens 一只750流明的电灯泡
(IN BODY)
medical plural lumina or lumens(身体内的)
the inside space of a tube-shaped organ in the body, for example a blood vessel or intestine
intestinal/vascular lumen 肠道/血管管腔
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