av·ens /ˈævənz/
水楊□屬植物
av·ens n.; pl. avens. Bot. A plant of the genus Geum, of the rose family, esp. Geum urbanum, or herb bennet. They may bear red, yellow, or white flowers.
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avens
n : any of various perennials of the genus Geum having usually
pinnate basal leaves and variously colored flowers