Radioamplifier
n. 高频放大器
🗣️ 情景例句
Not too bad, thank you.
挺好的，谢谢你。
Don't forget to cable to let us know you arrived safely.
不要忘记在你安全地到达后打电报让我们知道。
Who could count the times Annie tried, failed, and then succeeded?
谁能数得清安妮尝试、失败直至最后成功的次数？