Háizi men zài yědì lǐ wán le yī zhěngtiān.
The children played in the open fields all day long.
Tā xǐhuān dúzì zài yědì lǐ túbù lǚxíng.
He enjoys hiking alone in the wilderness.
Chéngshì kuòzhāng shǐdé zhōuwéi de yědì yuèláiyuè shǎo.
Urban expansion has made the surrounding wilderness increasingly scarce.
