Undetermined boundary
[法] 未定边界
🧩 词语组成解析
a. 未经决定的, 未确定的, 性质未明的, 形式未定的, 缺乏决断力的\\n[计] 未定的
🗣️ 情景例句
He's not faithful to his wife.
他对他的妻子不忠。
What time is it now?
现在几点？
With the medicine box under her arm, Miss Zhao hurried off to look after the man.
夹起药箱，赵小姐匆忙去照料那个人。