a changeable situation的用法和样例：
- With a changeable image cover (a mousepad?
- Head nurses should maintain a positive and stable psychological state especially when they are confronted with changeable situation and complex working conditions.
- It's the cardan joint that transfers the torque in a changeable angle.
- He has a changeable character.
- A changeable resistance was linked in series between the anion and cathode of the macro-cell to simulate the change of the concrete resistance.