manna lichen

• 甘露地衣

manna lichen的英文翻译是什么意思，词典释义与在线翻译：

英英释义

Noun:

1. any of several Old World partially crustaceous or shrubby lecanoras that roll up and are blown about over African and Arabian deserts and used as food by people and animals

manna lichen的用法和样例：

例句

1. The stone stairway was covered with lichen.
   那石级长满了地衣。
2. 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。