Zi
abbr. 美国本土, 后方地带（等于zone of interior）
🗣️ 情景例句
When you feel your life is threatened, just dial 999 to get help.
当你的生命受到威胁的时候，拨打 999 求救。
My brother is not quite twenty-five.
我的兄弟不够25岁。
There was some confusion about our last shipment.
上一批货把我们搞得迷迷糊糊。