Keepalive message
[计] 存活报文
🧩 词语组成解析
🗣️ 情景例句
It's our first date.
这是我们的第一次约会。
Even the walls have ears.
隔墙有耳。
Why do you think we can't change your note? Of course we can.
为什么你认为我们破不开你的票子呢？当然我们能破开的。