Trf
n. tuned radio frequency的简写
🗣️ 情景例句
When is the wedding?
什么时候举行婚礼呢？
Let me see. That would be $40.00 a day plus 38 cents a mile.
让我瞧瞧。一天40美元，每英里外加3角8分。
They've met with great favor home and abroad.
这些产品在国内外很受欢迎。