Radiation efficiency
[电] 辐射效率
🧩 词语组成解析
🗣️ 情景例句
It's hard to do anything but listen in this family.
在这个家庭 除了听别人之外还能怎样。
Write it on your heart every day is the best day of the year.
要记住，每天是一年中最好的一天。
In the evenings he studied hard for his exams, and most mornings he took tourists around Oxford.
他晚间努力学习，以应付考试，而大多数早上，他则带领游客在牛津大学参观。