“地衣类”造句

石蕊: 从几种地衣类植物中获取的带色有机化合物的混合物.
Litmus: Mixture of coloured organic compounds obtained from several species of lichens.

地衣类植物生长速度慢,有好几年的寿命.其生长依赖于霉菌和海藻的共生.
Lichens, which grow slowly and live for many years, result from fungi and algae living together.