B-battary
[电] B电池组
🗣️ 情景例句
My father sends his regards to you.
我父亲向你问好。
Virture is fairer far than beauty.
美德远比美丽更美好。
What is more, this information line operates 24 hours a day.
而且，这种"问讯线路每天工作24小时。