B-battary
[电] B电池组
🗣️ 情景例句
I see. By the way, how many people are working in your factory now?
哦，我知道了。顺便问一下，现在贵厂有多少在职职工？
When the lights went out, I was washing my hair.
当熄灯的时候，我在洗头。
What are you doing?
你在干什么？