英语听力精选进阶版 951

 

A cure for grey hair?

LAST WEDNESDAY

Our guests discuss the discovery of a gene¹ responsible for grey hair.

1 gene   

n.遗传因子，基因

参考例句：

• A single gene may have many effects.单一基因可能具有很多种效应。
• The targeting of gene therapy has been paid close attention.其中基因治疗的靶向性是值得密切关注的问题之一。