Noninverting
放大器
🗣️ 情景例句
In less than two hours,
在不到两个小时之后，
Hope is but the dream of those that wake.
希望是清醒者的梦想。
It is hard for us to realize nowadays how difficult it was for the pioneers.
我们今天很难想像昔日的登山先驱们是多么艰苦。