hard-seededness

英['hɑːdsiːd'ɪdnəs] 美['hɑːdsiːd'ɪdnəs]
  • 硬实种子
  • hardball n.硬式棒球;强硬态度
  • politics n.政治;政治学;政治活动;政治策略;政见
    1. 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。
    2. 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。