Onions come in different sizes, shapes, colors and flavors, from mild and sweet to hot and strong. A full-grown onion plant has roots, bulbs and leaves. The leaves are long, thin and hollow. They stand straight up and thicken at the bottom to form a bulb.洋葱有不同的大小,形状,颜色和口味,从微甜到辛辣.一颗完整的洋葱有根,鳞茎和叶子.洋葱的叶子细长,中空.洋葱垂直着生长,并在底部慢慢变粗形成鳞茎.
_________________________________________________.
