Some T-cells go on to kill infected body cells. Some act as part of the immune system's memory, so that it can respond quickly to the recurrence of an infection.

一部分淋巴细胞继续杀死感染了病毒的身体细胞，还有一部分转作免疫系统的记忆成分，以便再次感染病毒时迅速作出反应。

youdao

Sirius Black: the world isn "t split into good people and Death Eaters. We" ve all got both light and dark inside us. What matters is the part we choose to act on.

小天狼星：世界不是分为好人和食死徒，每个人内心都有光明和黑暗，重要的是我们选择了哪个部分。

youdao

Sirius Black: the world isn "t split into good people and Death Eaters. We" ve all got both light and dark inside us. What matters is the part we choose to act on. That "s who we really are."

小天狼星：世界不是分为好人和坏人，每个人内心都有光明和黑暗，真正重要的是我们如何选择，知道我们究竟是什么人。

youdao

What he has also said is -- as recently as 40 minutes ago -- that if Congress won't act on the bigger deal or can't in the time before the sequester is scheduled to kick in, we need to take action, Congress needs to take action to make sure the sequester doesn't kick in.

WHITEHOUSE: Press Briefing

"But there is an intensity gap they don't act on those values, " Keenan said.

WSJ: Roe v Wade: After 40 years, deep divide is legacy

Users who aren't served relevant ads don't act on them as often, making the ads less valuable.

WSJ: Online Ads Can Now Follow You Home