cell free

例句：

1. 1.The lab was designed to be cell-free for safety reasons.
   实验室为了安全原因被设计为无细胞的。
2. 2.The surgery was performed on a patient who was cell-free due to their immune system.
   由于患者的免疫系统，手术是在无细胞状态下进行的。
3. 3.The new drug is cell-free and has fewer side effects than its traditional counterpart.
   这种新药是无细胞的，比其传统版本副作用更少。