Radionavigation
[电] 无线电导航
🗣️ 情景例句
Sure. I will. You can count on that.
我一定会。
Oh,I just remembered something!I have to apply for a passport.
哦,我就记得了一些东西!我要申请一本护照。
Since its discovery, it has become a sort of potholers' Everest.
自从被发现以后，这个洞成了洞穴探险者的珠穆朗玛峰，