black mustard

• 黑芥（Brassica nigra）是一种十字花科植物，其种子细小、颜色深，味辛辣，常用作香料，也用于民间医药。

A plant species (Brassica nigra) with small dark seeds used as a spice and in traditional medicine, known for its pungent flavor.

1. Spice plantB2formal

   A plant (Brassica nigra) whose seeds are used as a spice, known for their strong, pungent flavor.

   黑芥

   • Black mustard seeds are often used in Indian cooking.
   • The chef added black mustard to the curry for extra heat.
   • Black mustard is a key ingredient in many pickling recipes.

2. Botanical speciesC1formal

   An annual plant in the Brassicaceae family, native to Eurasia, with small yellow flowers and dark seeds.

   植物物种

   • Black mustard grows wild in many parts of Europe.
   • The plant's seeds are harvested when the pods turn brown.
   • Black mustard is sometimes used as a cover crop.