A recent study conducted by James Carey and his colleagues at the University of California, for example, found a link between how long a mouse lives and its ovaries.

• 举例说，加利福尼亚大学的詹姆斯.；凯里及其同事在他们的一项新研究中，发现了老鼠的寿命和它的卵巢状况有一定联系。