lichen

'laikәn
托福 Collins 1

英文释义

n. any of several eruptive skin diseases characterized by hard thick lesions grouped together and resembling lichens growing on rocks
n. any thallophytic plant of the division Lichenes; occur as crusty patches or bushy growths on tree trunks or rocks or bare ground etc.

中文翻译

n. 青苔, 地衣, 苔藓病
[医] 地衣, 苔癣

1
Collins 星级
15,526
BNC 频率
15,705
使用频率

记忆技巧

lichen 源于拉丁语 lichen，表示苔藓类植物，词根没有复杂的词缀，理解为一种生物即可。

例句

1. Lichen can often be found growing on tree bark.
地衣常常生长在树皮上。
2. Some animals rely on lichen as a food source during winter.
一些动物在冬季依赖地衣作为食物来源。
3. Lichen is a sign of good air quality because it is sensitive to pollution.
地衣是空气质量良好的标志，因为它对污染很敏感。

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