leukotactic

例句：

1. 1. The researcher discovered that leukotactic cells were responsible for the body's immune response.
   研究者发现，白细胞定向运动细胞负责身体的免疫反应。
2. 2.During a cold, leukotactic cells are activated to fight off infections.
   在感冒期间，白细胞定向运动细胞被激活以对抗感染。
3. 3. In some diseases, leukotactic cells may be abnormally directed towards certain tissues.
   在某些疾病中，白细胞定向运动细胞可能异常地指向某些组织。