lumen
音標發(fā)音
- 英式音標 [?lu?.m?n]
- 美式音標 [?lu?.m?n]
- 英式發(fā)音
- 美式發(fā)音
基本解釋
- n.內(nèi)腔；流明(光流的強度單位)
英漢例句
- The innermost region of cotton is called lumen.
棉纖維的最內(nèi)層組織叫內(nèi)腔。 - A former luminance unit equals to one lumen per square foot.
舊制光的亮度單位等於每平方英尺流明。
用作名詞 (n.)
英英字典
- (UNIT OF LIGHT) a unit for measuring the amount of light something produces
- (IN BODY) the inside space of a tube-shaped organ in the body, for example a blood vessel or intestine