Lads
abbr. 低空探测系统（Low-Altitude Detection System）
🗣️ 情景例句
I know that.
我知道。
How long will it take you to make it?
你要多久才能做好它？
I'm afraid I can't do that right now. the manager isn't here.
恐怕我现在不能退钱给你。经理不在这里。