学校北边的墙边有几株野草:狗尾巴草、苦蒿……我看见角落里有一株小小的井栏边草。它长在墙的缝隙里,你要是不费一点力气,很难拔出它。大一点的井栏边草的叶柄是灰棕色的,羽状,叶柄连着根。我把它的根拔出来,这些小根细细的,是须根,根是棕色的,上面还有些细细的丝,摸起来很舒服。井栏边草的叶子是翠绿色的,很可爱,因为很小,我叫它“小绿儿”。要是不 There are several weeds in the north wall of the school: dog tail grass, bitter wormwood ... I see a small corner fence in the corner. It grows in the crevice of the wall, and it will be hard to pull it out without any effort. The petiole of the larger brisket is gray-brown, pinnate, with petioles attached to the roots. I pull it out of the root, these small root thin, fibrous, root is brown, above some fine silk, feels very comfortable. The leaves on the edge of the fence are green, very cute, because it is small, I call it “Little Green Children ”. If not