"Our defense against oxidative stress damage may determine at what rate we age, how it will manifest and how to interfere in those processes," Nel said.

Nel说，我们的防御抗氧化重损伤也许将确定什么使我们衰老，它是怎么表达和干预在那些过程。

youdao

"As we age, the ability of the immune system to fight disease and infections and protect against cancer wears down as a result of the impact of oxygen radicals on the immune system," Nel said.

Nel说，当我们变老时，由于氧自由基对免疫系统的影响，导致系统免疫防御和免疫监视能力下降。

youdao

Inside court Mr Nel said that they would be arguing that it was "pre-meditated murder".

BBC: Oscar Pistorius: South Africa stunned by murder charges

Mr. Nel said Mr. Pistorius then fired four shots from a 9mm handgun through the closed bathroom door, before forcing his way into the bathroom.

WSJ: Pistorius Thought He Shot at Burglar in Bathroom, His Lawyer Says

Prosecutor Gerrie Nel said Steenkamp had come over around 5 p.m. to 6 p.m. on February 13 to spend the night, but the couple got in a heated argument.

CNN: STORY HIGHLIGHTS