1. The perfusate was administered to the isolated heart to study its effect on cardiac function.
灌注液被给予孤立的心脏，以研究其对心脏功能的影响。
2. The researcher used a specific perfusate containing various nutrients to sustain the organ in the laboratory experiment.
研究人员在实验中使用了含有各种营养物质的特定灌注液，以维持器官的活力。