Dectra
台卡跟踪和测距导航系统, 远程长波导航设备
🗣️ 情景例句
It's a great party, isn't it?
这个派对很不错，是吗？
Life is half spent before we know what it is.
等到认识人生，已经一半过去了。
Two ice cream please.
请拿两份冰淇淋。