The immune system will know what the "viruses" look like, and send B cells (lymphocytes) or antibodies to find and kill them.

免疫系统将识别“病毒”的样子，并派遣B细胞（淋巴细胞）或抗体去找到并杀死它们。

youdao

Aphids suck the juices from garden plants and kill them.

蚜虫吸果汁从园林植物，并杀死他们。

youdao

If anyone hire oxen, and kill them by bad treatment or blows, he shall compensate the owner, oxen for oxen.

如果任何一个人租用牛，却苛待这些牛致死，他将补偿这个所有者的牛。

youdao

Some animals such as the black rhinoceros have almost been destroyed because poachers illegally hunt and kill them.

VOA: special.2009.08.19

You would, to avoid the horrors of genocide, you would crash into the five and kill them?

为了避免骇人听闻的种族灭绝，你打算直接开上去把这五个人撞死吗？

耶鲁公开课 - 公正课程节选

And down the track comes a trolley car, at the end of the track are five workers, the brakes don't work, the trolley car is about to careen into the five and kill them.

电车沿着轨道从远处驶来，轨道的尽头有五名工人，电车刹车坏了，这五名工人即将被撞死。

耶鲁公开课 - 公正课程节选

When the wasp larvae hatch, they devour the stink bug eggs and kill them.

WSJ: Out of Odor: Offensive-Smelling Bugs Put U.S. Farmers on the Defensive

At the start of chemotherapy, tumour cells are sensitive to the various chemicals designed to rein them in and kill them off.

ECONOMIST: Cell biology: The secret of the vaults | The

In a press statement, she said that what she originally said was that fear of the LRA leader Joseph Kony's alleged spiritual powers was so deep that people were scared to volunteer information to the government security forces lest Kony spiritually identifies and kill them.

BBC: NEWS | Africa | Uganda's spiritual war heats up