Bpt
双极性晶体管
🗣️ 情景例句
I am also glad to be here.
我很高兴来这里 。
I tried to call Mr. Cooper,but the line was busy.
我试着呼叫库珀先生，但是线老是忙。
Thanks to space satellites, the world itself is becoming a much smaller place and people from different countries now understand each other better.
由于有了宇宙卫星，世界在变得小多了，来自不同国家的人现在彼此更了解了。