测试这些纳米粒子释放药物特性的实验结果显示，药物释放的最佳时期大约是八小时后，而且药物释放还将继续持续一周的时间。

Experiments to test the drug-release characteristics of these nanoparticles showed that maximum release occurred at approximately eight hours and then remained close to that level for a week.

youdao

测试这些纳米粒子释放药物特性的实验结果显示，药物释放的最佳时期大约是八小时后，而且药物释放还将继续持续一周的时间。

Experiments to test the drug-release characteristics of these nanoparticles showed that maximum release occurred at approximately eight hours and then remained close to that level for a week.

youdao