Dectra
台卡跟踪和测距导航系统, 远程长波导航设备
🗣️ 情景例句
Collecting matchsticks was fun, until that fateful day one of them caught alight.
收集火柴是一种乐趣，除非一天其中一根火柴不幸燃烧起来。
I'm always disappointed when I don't get any mail.
当我收不到任何邮件时，我总是很失望。
I realized that they would be very worried, but that they would trust our good sense, wherever we were.
我想他们会很担心，但是无论我们在什么地方，他们都会相信我们的处事能力。