Radio emission
出国 Abroad无线电发射，射电发射，射电辐射
🧩 词语组成解析
🗣️ 情景例句
and I promised to have lunch with both of them today.
我答应今天和他们共进午餐。
Would you please pass me the sugar?
可以请你把糖递过来吗？
The early climbers were looking for the easiest way to the top, because the summit was the prize they sought, especially if it and never been attained before.
早期登山者所寻找的是通往山顶的最方便的途径，因为顶峰特别是前人未曾到过的顶峰 -- 才是他们寻求的目标。