Rrf
abbr. Referigeration Research Foundation <美>制冷研究基金会
🗣️ 情景例句
Will you be my fiancée?
你想成为我的未婚妻吗？
Tall trees catch much wind.
树大招风。
In a few years the small workshop had become a large factory which employed seven hundred and twenty-eight people.
几年之后，小铺子已经发展成了一个雇有728人的大工厂。