英语词汇lumen怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	lumen
释义	lumen/ˈlu:men, ˈlju:-/n. 1 (pl. lumens) Physics the SI unit of luminous flux, equal to the amount of light emitted per second in a unit solid angle of one steradian from a uniform source of one candela (abbr. 缩略 : lm) 【物理学】流明(光通量单位) 2 (pl. lumina /-minə/) Anat. a cavity within a tube, cell, etc. 【解】(导管、生物体中的)管腔 □ luminal /ˈlu:min(ə)l, ˈlju:-/ adj.[Latin lumen luminis ‘a light, an opening’]
随便看	under the cloak of under-the-counter under the counter under the counter under the eye of under the influence under the open sky under the rose under the rose under the sod under the sun under the table under the weather under the weather underthings undertint undertone undertook undertow undertrained undertrick underuse underutilization underutilize undervaluation

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