calyx的复数形式怎么写

Fruit ovoid, 2 - 2.5 cm long, persistent calyx 1 - 1.3 cm long.果卵形, 长2-2.5厘米,宿萼长1-1.3厘米.Calyx 5 - parted almost to base.花萼5裂至近基部.Calyx encloses an unopened flower bud.花萼围绕在花瓣外层的一圈....

calyx的音标：calyx的英式发音音标为：['keɪlɪks]calyx的美式发音音标为：['keɪlɪks]...

n.花萼，盏，盂，杯状部（或腔）...