Amplifying tube
[电] 放大管
🧩 词语组成解析
[化] 放大的
🗣️ 情景例句
I was deeply impressed by his speech.
他的演讲给我留下深刻的印象。
His failure was a lesson to us.
他的失败是我们的一个教训。
Now, everyone. Listen, please.
同学们，请注意听。