Gg
abbr. 地面制导（Ground Guidance）；煤气发生器（Gas Generator）
🗣️ 情景例句
Oh, hi.
噢 嗨。
What's your hobby?
你的嗜好是什么？
If you want to send a letter to an office abroad that is in a different time zone, you can send a fax, and it will be received even though the office is not open.
如果你要寄信到不同时区的国外办公室，你可以发个传真，即使办公室不开门，信也会被收到。