野芥子

例句：

1. 1. The wild mustard seeds are a common ingredient in many traditional Chinese dishes.
   野生芥子是许多传统中国菜肴的常见成分。
2. 2. The locals use these wild mustard seeds to make their own pickles.
   当地人使用这些野生芥子制作自己的泡菜。
3. 3. The wild mustard seeds were collected from the nearby fields for medicinal purposes.
   野生芥子被从附近的田野收集起来用于药用目的。