HSK 3
Háizi men zài yědì lǐ wán le yī zhěngtiān.
The children played in the open fields all day long.
HSK 7-9
Tā xǐhuān dúzì zài yědì lǐ túbù lǚxíng.
He enjoys hiking alone in the wilderness.
HSK 7-9
Chéngshì kuòzhāng shǐdé zhōuwéi de yědì yuèláiyuè shǎo.
Urban expansion has made the surrounding wilderness increasingly scarce.
