HSK 4
土
tǔ名（形）
earth; dust; clay; local; indigenous; crude opium; surname Tu; Tu ethnic group
院子里的花需要一些土。
Yuàn zi lǐ de huā xū yào yì xiē tǔ.
The flowers in the yard need some soil.
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Appears across levels (4（6）) in the HSK 3.0 word list.