calyx/ˈkeɪlɪks; `kelɪks/ n(pl ~es or calyces/ ˈkeɪlɪsi:z; `kelɪˌsiz/) (botany 植) ring of leaves (called sepals) enclosing an unopened flower-bud 花萼（花瓣外层的一圈小叶, 称为萼片）. =>illus at App 1 见附录1之插图, page ii.
牛津英汉双解词典