fluid boundary造句

例句与造句

1. But beware the thief who oversteps the admittedly fluid boundaries here ; it is but a short trip to the mines , ever hungry for labor
   但为了防止有盗贼过分地越出行规，总是缺乏苦工的矿坑距离城镇只有一小段距离。
2. It's difficult to find fluid boundary in a sentence. 用fluid boundary造句挺难的