homocysteine

例句：

1. 1.Homocysteine is a type of amino acid that can be harmful to the body.
   同型半胱氨酸是一种氨基酸，对身体健康有害。
2. 2. The study found that high levels of homocysteine were associated with an increased risk of heart disease.
   研究发现，高水平的同型半胱氨酸与心脏病风险增加有关。
3. 3. The researchers suggest that reducing homocysteine levels through diet and exercise may help prevent heart disease.
   研究人员建议，通过饮食和锻炼来降低同型半胱氨酸水平可能有助于预防心脏病。