microdosis

例句：

1. 1. The patient received a microdose of medication.
   病人接受了微量的药物治疗。
2. 2. The research team conducted a microdose study to investigate the effects of caffeine on sleep.
   研究团队进行了一项微量研究，以探究咖啡因对睡眠的影响。
3. 3. Due to the limited resources, we could only provide a microdose of care for each patient.
   由于资源有限，我们只能为每个患者提供少量的关怀。