Háizimen zài yědì lǐ wánle 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 yuèlái yuè shǎo.
Urban expansion has made the surrounding wilderness increasingly scarce.
