其他专家迅速注意到该实验的前驱性，并意识到该药物还必须经历长时间的实验检验以确定它的安全性和有效性。

Other experts are quick to caution that the tests are preliminary, and that the drug must be tested over much longer periods of time to be sure it is safe and effective.

youdao

其他专家迅速注意到该实验的前驱性，并意识到该药物还必须经历长时间的实验检验以确定它的安全性和有效性。

Other experts are quick to caution that the tests are preliminary, and that the drug must be tested over much longer periods of time to be sure it is safe and effective.

youdao