Zi
abbr. 美国本土, 后方地带（等于zone of interior）
🗣️ 情景例句
We'll call you all tomorrow night.
我们明天晚上打电话给你们。
No good building without a good foundation.
基础不好，建筑不牢。
These alone took sixteen months to build.
仅这两座塔就花了16个月才建成。