基本解释地衣类,地衣同根派生 lichens相关词英汉例句Reproduction in lichens is not well understood.地衣繁殖方式还不清楚。A purplish- red dye derived from certain lichens.地衣赤染料萃一种从某些地衣中制取的紫红色染料。lichens更多例句