| 释义 |
WordReference English-Chinese Dictionary © 2019: | 主要翻译 | | lumen nnoun: Refers to person, place, thing, quality, etc. | (unit of light flow) (物理学，光通量单位) | 流明
liú míng | | | When camping, you need a headlamp with high lumens. | | lumen nnoun: Refers to person, place, thing, quality, etc. | (anatomy: inside of a tube) (解剖学) | 导管内部
| | lumen nnoun: Refers to person, place, thing, quality, etc. | (biology: cavity inside a cell) (生物学) | 腔
qiāng | | | | 内腔
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