Trf
n. tuned radio frequency的简写
🗣️ 情景例句
The guests are waiting.
客人们正等着呢。
The X2500 has the unique feature of providing better data flow with less input time.
这种X2500型的特点就是减少输入时间，使资料更为顺畅。
especially when it was Hart who, in the end, overcame the attacking Indians.
特别是当哈特最后战胜了前来进攻的印第安人时，观众更能原谅他。