Emittance
[电] 由能源所幅射的每单位面积功率
✅ 同义词
🗣️ 情景例句
Western countries have evry strict visa requirements.
在西方国家有严格的签证要求。
You were late again this morning. I think you had better start being on time.
你早晨又迟到了，我想你最好开始守时。[托福]
Yes?
什么事？