Let them come, then squish them, or pop up Watchtowers.让他们来, 然后碾碎他们(译者:再次=004=), 或者立起?望塔.Badaling Great Wall stretches for 4.8 km along rolling mountains and has 19 strategically located watchtowers.八达岭长城沿着起伏的山脉连绵480公里,共...

n.瞭望塔，岗楼( watchtower的名词复数 )...

watchtowers的音标：...