lichen
US /ˈlaɪ.kən/
UK /ˈlaɪ.kən/
名詞
地衣類
a simple slow-growing plant that typically forms a low crustlike, leaflike, or branching growth on rocks, walls, and trees
例:
•
The old stone wall was covered with green and gray lichen.
古い石壁は緑と灰色の地衣類で覆われていた。
•
Some species of lichen are very sensitive to air pollution.
一部の地衣類は大気汚染に非常に敏感です。