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词汇	annual ring
释义	annual ringn.Botany（名词）【植物学】annual ringcross section of aDouglas fir tree The layer of wood formed in a plant during a single year. Annual rings appear concentric when viewed in cross section.年轮：一年里树木长出的层。从截面上看年轮呈同心圆状
随便看	papeteries Papiamentu papier mache papier-mâché papier–maché papier–mâché papilionaceous papilla papillae papilloma papillomas papillomata papillon papillote papillotes papist papists papoose papooses papovavirus Papp pappadam pappataci fever papped pappi

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