Rdf
无线电测向器, 无线电定向仪, 无线电探问, 无线电测向
🗣️ 情景例句
I was. But not in high school.
说的对。但高中时不好。
May I borrow your book?
我能借你的书吗？
Please be aware that this is a crucial issue to us.
请了解这一点对我们至关重要。