noun🔗Share地衣，藓苔 Any of many symbiotic organisms, being associations of algae and fungi, often found as white or yellow patches on old walls, etc."The old stone wall was covered in patches of green, gray, and yellow lichens. "老旧的石墙上长满了绿色、灰色和黄色的地衣，像一片片斑驳的藓苔。organismbiologyenvironmentnatureplantChat with AIVocabulary GamePractice Reading
noun🔗Share蔓延物, 藓苔 Something which gradually spreads across something else, causing damage."The lichens of graffiti gradually covered the brick wall, making it look unsightly. "涂鸦的蔓延物逐渐覆盖了砖墙，让它看起来很不美观。biologyplantenvironmentnatureorganismChat with AIVocabulary GamePractice Reading
