"lumina" in Chinese (Simplified)
流明（光通量单位）
Definition
流明是用来衡量光源（如灯泡）发出可见光多少的单位。
Usage Notes (Chinese (Simplified))
'流明'常用于科学、技术和照明领域。在日常生活中讨论灯泡亮度时经常用到。
Examples
This bulb gives off 800 lumina.
这个灯泡发出800**流明**。
We measured the total lumina in the room.
我们测量了房间内总的**流明**。
A projector often needs more lumina than a regular lamp.
投影仪通常需要比普通灯泡更多的**流明**。
When shopping for lights, check the lumina to know how bright they'll be.
买灯的时候，看看**流明**数就知道亮度了。
The new streetlights use higher lumina to light up the whole block.
新路灯用更高的**流明**照亮整条街区。
If your desk feels dim, maybe you need a lamp with more lumina.
如果你的书桌感觉昏暗，可能需要一个**流明**更高的台灯。