Lumen method
[电] 流明法
🧩 词语组成解析
lumen
['lju:min]
n. 流明（光通量单位）;[植物]（管）腔;
🗣️ 情景例句
Well, here's the bottle opener, and here's the flashlight.
哦 ，这是开瓶器 ，这是手电筒。
To swim
游泳
In the midst of all this movement, the weight and the pen would be still.
重物和笔都却不运动。