VOA慢速英语:兰花：宅家里人的一个项目

exotic stem –adj. from another part of the world

bloom -v. to produce a flower

stem –n. the long thin part of a plant that supports leaves and flowers

moss –n. a kind of green plant with very small leaves that grows on the ground or on trees

bark –n. the outer skin of a tree

rot –v. to slowly break down or decay