英语语法分析

The researchers found that in rodents, a molecule called 27-hydroxycholesterol, or 27HC, binds to the same receptors in the blood vessels of the heart to which estrogen binds.

研究人员发现在啮齿类动物中有一种被称为27-羟基胆甾醇或27HC的小分子，它可与心脏血管内的雌激素受体结合。