Rrf
abbr. Referigeration Research Foundation <美>制冷研究基金会
🗣️ 情景例句
The case was dismissed because of insufficient evidence.
该案因证据不足而撤消。
She won't be in until 10:45, so the earliest would be 11:00.
她要到10:45才来，所以最早也得到11点才能看。
Only one or two people have objected that the students will drive too fast!
只有一两个人提出反对意见，说学生们会把车开得太快！