Cascode
射地-基地放大器, 共发共基放大器
🗣️ 情景例句
Well ...? Could we ask for anything more?
嗯…… 我们还有什么可求的吗？
We can't afford the expense.
我们不能付出那些花销。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，