柯林斯词典calyx /ˈkeɪlɪks, ˈkælɪks/ 1. N the sepals of a flower collectively, forming the outer floral envelope that protects the developing flower bud 花萼→compare corolla 返回 calyx剑桥词典the outer part of a flower formed by the sepals (= the separate outer parts ), which covers and protects the petals , etc. as they develop 花萼（位於花的外側，有若乾萼片組成，開花時起到保護花瓣的作用） 返回 calyx