Advance in Free Range Chickens的用法和样例：
- It's claimed that the fox is a predator, killing lambs and free range chickens and must be controlled.
- It offers a fine selection of assorted skewers from succulent free range chicken to tiger prawn, all served with our home made spicy peanut sauce.
- He's a fervent believer in free speech.
- Advance in the jungle was very slow.