Dectra
台卡跟踪和测距导航系统, 远程长波导航设备
🗣️ 情景例句
I've always wanted a springer spaniel.
我一直想要一只激飞狗。
How long does it take?
火车要开多久？
I've read about it,but I'd like to know more about it.
我已经知道了一点儿，但我还想多了解一些。