Hard -seeds
英
美
- hard adj.硬的;困难的;棘手的;坚强的;残酷的;用力的;液态的;严寒的;确凿的adv.努力地;强烈地;严重地;坚定地
- seeds n.籽名词seed的复数形式.动词seed的第三人称单数形式.
- Hard seeds are very common in many species of legumes.
硬实种子是豆科植物中普遍存在的现象。
- Dormancy for hard seeds is caused by impermeability to water and gas and mechanical constraint of the seed coat.
硬实种子种皮透水透气性差和对胚生长的机械限制,引起种子休眠。