Plot the LOP using a thin stick or blade of grass (combat) or pencil line (non-combat).
在战区,利用细枝条或青草渍标出位置线,在非战区可以用铅笔标出位置线。
2
In Australia, in front of his stick-and-grass avenue, a male satin bowerbird, whose eyes are a striking blue, displays blue parrot feathers, white snail shells, and yellow and purple blossoms.