Trf
n. tuned radio frequency的简写
🗣️ 情景例句
Fitness clubs are becoming more popular these days.
现在健身房越来越流行了。
I woke up early and got up at 6 o'clock.
我早醒来并且在6点钟起床了。
I'm usually just using the search engines to look up information.
我通常只是用搜索引擎找一些资料。