R-f generator
[电] 射频产生器
🧩 词语组成解析
🗣️ 情景例句
He's a real two-timer.
他用情不专。
Excuse me I couldn't see you.
对不起我不能去看你。
This echo-location in bats is often compared with radar, the principle of which is similar.
蝙蝠这种回声定位常常可与雷达相比较，其原理是相似的。