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'm quite active and energetic.
我积极而充满活力。
An empty purse frightens many friends.
曩中无分文，亲友不上门。
My watch is faster than yours.
我的表比你的表快。