Ocv
abbr. open-circuit voltage 开路电压
🗣️ 情景例句
I'm sorry, Mom.
我很难过， 妈妈。
Come to me if you're in any difficulty.
有困难来找我。
Then he quietly goes into their bedrooms, and fills their stockings with small presents.
然后他悄悄地走进他们的卧室，给他们的长统袜装上小礼物。