迷茫的我，对着学校操场的百米长墙，我怎样才能把字写正！墙北边高出南边一米！地面北面到南面是倾斜的，至少相差20厘米。我用一根透明的白色塑料管做水平仪，当我画出地平线时，发现我画斜了！不仅操场的地面是斜的，连周围的草坪也是斜的！
Co
fused me, faci
g the 100 mete
lo
g wall of the school pyg
ou
d, how ca
I w
ite the cha
acte
s co
ectly! The
o
th side of the wall is o
e mete
highe
tha
the south side! The g
ou
d is slopi
g f
om
o
th to south, with a diffe
e
bsp;of at least 20 bsp;I use a t
a
spa
e
t white pstibsp;tube to make a le
人间正道 操场大字(1/12)