Wecs
abbr. Wind Energy Conversion System 风能转换系统
🗣️ 情景例句
I don't know.
我不知道。
He hasn't done any worthwhile work in five years.
这五年来他没做过一件正经事。
I'm calling to see what happened to our last order.
我打电话来是想知道上次订的货怎么样啦？