Flec
abbr. fault locating emergency carrier 故障定位备用（应急）载波
🗣️ 情景例句
You can listen to BBC or VOA news if you want to improve your listening.
如果你想提高听力，你可以听英国广播电台或美国之音的新闻节目。
You ain't seen nothing yet!
好戏还在后头呢！
How soon can you have your product ready?
你们多久才可以把产品准备好呢？