neutral hapten

例句：

1. 1. Neutral hapten is a crucial componentin the development of vaccines.
   中性半抗原是疫苗发展的关键成分。
2. 2. The study ofneutral hapten has significant implications forunderstanding immune responses.
   中性半抗原的研究对于理解免疫反应具有重要意义。
3. 3. The researchers found that neutralhapten could trigger an immune responsewithout causing any harm to the host.
   研究人员发现中性半抗原可以引发免疫反应，而不会对宿主造成伤害。