biological preparation

• 生物制剂

biological preparation的用法和样例：

例句

1. He actually was present during biological agent production runs.
   在生物制剂生产期间，他当时就在场。
2. And whether the biological preparation for the treatment was addictive was determined through the chiasm and vicarious experiment.
   通过吗啡和生物制剂交叉替代试验，确定生物制剂是否成瘾。