They were also farmers and grew crops of millet in forest clearings to provide flour.他们同时也是农夫,在森林的空地中种植小米以取得面粉.The oddball species, Packard was coming to realize, were the main show of the clearings.帕克德渐渐明白了, 这古怪的物种是这些空地...
Lichen is a form in which green or bluegreen algae and a fungus live together symbiotically.地衣是一种绿藻或蓝藻与一种真菌共生的形式.Holdfast ( hapteron ) In algae , the cell or organ that attaches the plant to the substrate.固着器:是藻类植物具有的一种起...