gnathobasal seta

例句：

1. 1.The gnathobasal seta on the leaf is a crucial part of the plant's defense mechanism.
   叶子上的基部刺毛是植物防御机制中至关重要的一部分。
2. 2. During the mating season, the male gnathobasal seta is used to attract females.
   在交配季节，雄性的基部刺毛被用来吸引雌性。
3. 3. The gnathobasal seta plays a vital role in the plant's ability to resist herbivores.
   基部刺毛在植物抵抗食草动物方面起着至关重要的作用。