1. 果皮：seed stock 种子储备 | seed vessel 果皮 | seed 种子
2. 种皮：seed vernalization ==> 种子春化 | seed vessel ==> 种皮 | seed viability ==> 种子成活率,种子生活力
3. 果皮;囊果皮：seed slurry 糖粉糊 | seed vessel 果皮;囊果皮 | seed wool 棉子绒
noun
1. the ripened and variously modified walls of a plant ovary
Synonym: pericarp