Luminous emittance
[化] 光发射度
🧩 词语组成解析
[电] 由能源所幅射的每单位面积功率
🗣️ 情景例句
We're out of toilet paper again. Let's buy some more rolls.
咱们又没卫生纸了。再多买几卷吧。
I expected it to be sweet.
我原以为是甜的。
'We mustn't buy things we don't need,' I remarked suddenly.
“我们不应该买我们不需要的东西，”我突然发表意见说，