detachable collar

例句：

1. 1.The new car has a detachable roof for easy access to the cargo area.
   这款新车有一个可拆卸的屋顶，便于轻松进入货舱。
2. 2. The furniture is designed with modular components that can be easily assembled and disassembled.
   家具设计有模块化组件，可以轻松组装和拆卸。
3. 3.The robotic arm is detachable from the main body, allowing for easy maintenance and repairs.
   机器人手臂可以从主体上拆卸，便于方便的维护和修理。