"lumen" 怎么发音

word

US

ˈɫumən

LOO-muhn

UK

lˈuːmɛn

LOO-men

释义

A lumen is a unit used to measure the amount of visible light produced by a source, such as a bulb. In biology, 'lumen' also refers to the inside space of a tube, like a blood vessel or an intestine.

IPA 音标

美式英语

ˈɫumən

英式英语

lˈuːmɛn

简化发音

美式

LOO-muhn

英式

LOO-men

语境中听

This bulb gives off 800 lumens of light.

We learned about the lumen of the intestine in science class.

A flashlight with more lumens is brighter.

If you want a brighter room, check the lumens on the package before buying a bulb.