nigra ['nɪgrə]

例句:

• These regions include the ventral tegmental area, substantia nigra and the striatum.
  来自SA
• At the left, normal numbers of neurons substantia nigra are pigmented.
  在左边黑质处是正常数目的神经元,并且出现色素沉着.
  
• Brassica alba yields white mustard seeds; Brassica nigra, black mustard seeds.
  白质芸苔生产白色芥茉籽, 黑质芸苔生产黑色芥茉籽.
  
• Porta Nigra of Trier. Another view.
  特里尔的古罗马城门. 另一角度.