Bpt
双极性晶体管
🗣️ 情景例句
Tomorrow night we'll be camping out in tents.
明天晚上我们将露宿在帐蓬里。
Sorry, She is out. Shall I take a message?
抱歉，她外出了，你要留口信吗？
Yes. It's bad now.
是的。现在很糟。