sublethal

例句：

1. 1. The bacteria survived the antibiotic treatment and became sublethal.
   这些细菌在抗生素治疗后幸存下来，变得亚致死。
2. 2. Sublethal mutations can lead to genetic diseases.
   亚致死突变可能导致遗传疾病。
3. 3. The researchers discovered that some of the animals were sublethal but could still be used for research.
   研究人员发现，有些动物虽然亚致死，但仍可用于研究。