B-battary
[电] B电池组
🗣️ 情景例句
Then an adult must sign for you.
那就必须有一位成年人来替你签字。
My home is in the capital.It's a cosmopolitan city.
我的家在首都.它是一个国际性的城市。
Once, however, it failed to give the correct time.
然而有一次，它却把时间报错。