HSK 3
层
céng量
to pile on top of one another; layer; stratum; floor (of a building); story; (math.) sheaf
我家住在这楼的八层。
Wǒ jiā zhù zài zhè lóu de bā céng.
My home is on the eighth floor of this building.
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New in the HSK 3.0 word list at level 3.