Emission efficiency
[计] 发射效率
🧩 词语组成解析
🗣️ 情景例句
No. He left a note on the door
是的。他留了一张条子在门上
What time is the mail delivered on Saturday?
邮件在星期六什么时间被递送？
There were books, clothing and photographs, together with letters which the seaman had once received from his wife.
其中有书箱、衣服、照片以及水手收到的妻子的来信。