Trf
n. tuned radio frequency的简写
🗣️ 情景例句
He has realized how precious health is.
他已经体会到健康的可贵。
Keep the change.
不用找了。
One authority on spiders made a census of the spiders in grass field in the south of England,
一位研究蜘蛛的权威对英国南部一块草坪上的蜘蛛作了一次调查。