HSK 5
面积
miànjī名
area (of a floor, piece of land etc); surface area; tract of land
这个房间的面积有二十平米。
Zhè ge fáng jiān de miàn jī yǒu èr shí píng mǐ.
This room has an area of twenty square meters.
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New in the HSK 3.0 word list at level 5.