| 释义 |
DEFINITIVE EXAMPLES 权威例句〔pinna〕Botany A leaflet or primary division of a pinnately compound leaf.【植物学】 (复叶的)羽片:羽状复叶的小叶子或羽片部分美国传统〔rachis〕A main axis or shaft, such as the main stem of an inflorescence, the stalk of a pinnately compound leaf, or the spinal column.花序轴:主轴或主茎,如花序的总轴、掌状复叶的茎或螺旋状的柱美国传统 |