advance and retreat的用法和样例：
- Frim successful persuasion, advance and retreat by easy stages.
- First, its purpose is to reverse the situation as regards advance and retreat.
- Coke-thruster JT-6-19 occured vibration during advance and retreat process.
- In a position where advance and retreat are both impossible; in a fix.
- It is inferred that the ridge is subject to subtropical monsoon circulation, which is early indicative of the advance and retreat of the high.