Transistor emplifier
[电] 晶体管放大器
🧩 词语组成解析
🗣️ 情景例句
We rely on the Earth for everyting we need to survive, so let's take care of it.
我们依赖地球获取我们生存的一切东西，因此让我们来细心呵护它。
I'd like to know some information about the current investment environment in your country?
我想了解一下贵国的投资环境。
What are you doing?
你在干什么？