Producing a batch of reticulocytes requires 24 litres of nutrient solution to generate a tablespoon or two of product.

生产一批网织红细胞需要 24 升营养液才能生成一汤匙或两汤匙的产品。

Then, the researchers took those nutrient solutions that the maize plants were bathing in and gave some fresh, baby maize plants a choice.

然后，研究人员将玉米植株浸泡在营养液中，并给一些新鲜的玉米幼苗一个选择。

The process involves cells grown in a nutrient solution in tanks. After four to six weeks, the fluid is removed, leaving small pieces of shrimp.

这个过程包括细胞在培养液中养殖。四到六周后，去除掉液体，只留下块状虾肉。

They could either grow in the direction of A) the nutrient solution from the plants that did get touched or B) the solution from plants that didn't get touched.

它们的生长方向可以是 A）被接触过的植物的营养液 B）没有被接触过的植物的营养液。

That done, the harvested stem cells were grown and multiplied in a nutrient solution for between 18 and 21 days, which served to turn them into young versions of red blood cells known as reticulocytes.

完成后，收获的干细胞在营养液中生长和繁殖 18 到 21 天，这有助于将它们变成年轻版本的红细胞，称为网织红细胞。