ech·e·ve·ri·a英ˌetʃəvəˈriːə美ˌɛtʃəvəˈriəAHDĕch'ə-və-rēʹəCOCA²²⁶⁸⁴² 基本例句 n.植景天科拟石莲花属植物产于热带美洲 The genus Echeveria is a member of the large Crassula family Crassulaceae, which has about1,400 species in33 genera with worldwide distribution. 石莲花属是景天科的成员之一,它有大概1400个品种分为33个属,遍布世界。 redroofs