HSK 6
Àozhōu de kuàngchǎn zīyuán fēicháng fēngfù.
Australia has very rich mineral resources.
HSK 7-9
Zhège dìqū shèngchǎn gèzhǒng kuàngchǎn.
This region abounds in various minerals.
HSK 7-9
Guójiā jìnzhǐ fēifǎ kāicǎi kuàngchǎn.
The country bans illegal mining of minerals.