正方形面積不變

正方形 zhengˋ fangˉ xingˊ

(Square) Square, A square

正方形面積 zhengˋ fangˉ xingˊ mianˋ jiˉ

(area of the) Area of the square, The area of the square

面積 mianˋ jiˉ

(Acreage, Area, Surface) Area, Surface area, Acreage

不變 buˊ bianˋ

(Not changed, Unchanged) Unchanged, Not changed