Epirb
abbr. 紧急无线电示位标（Emergency Position Indication Radio Beacon）
🗣️ 情景例句
There is still a week to go before the vacation begins.
现在距离假期还有一星期。
Have you made anything?
你做东西吗？
Let's move on to what makes our product sell so well.
让我来说明是什么原因使我们的产品销售得那么好。