brain heart infusion

例句：

1. 1. The doctor administered themedication by injecting it into herarm.
   医生通过注射的方式给病人服药。
2. 2.The winemaker infused the grapes with yeast to create a rich flavor.
   酿酒师在葡萄中加入酵母以产生丰富的风味。
3. 3. The scientist conducted an infusion of water and salt to test thesoil's salinity.
   科学家进行了水的和盐的混合液的注入实验，以测试土壤的盐度。