英语翻译They found that the drug only worked if injected within an hour prior to exposure to high levels of radiation.It also showed some protective effects if injected after exposure to lower levels.
问题描述：
英语翻译
They found that the drug only worked if injected within an hour prior to exposure to high levels of radiation.It also showed some protective effects if injected after exposure to lower levels.
答
他们发现如果曝光在高等强度的辐射下需要提前一个小时注入麻醉剂才会有效,他们也发现在低等强度的辐射下麻醉剂也有一定的防护效果.