Trf
n. tuned radio frequency的简写
🗣️ 情景例句
you have a meeting with the production staff
要与生产部门人员开会，
I meet the boy whose aunt is a beautician.
我遇到那个男孩的姑妈是美容师。
We tramped through the wood for over two hours until we arrived at a deep stream.
我们在树林中跋涉了两个多小时，到了一条深溪边。