By tracking down people who have been in contact with COVID-19 patients, health researchers can warn them, and keep COVID-19 from spreading further.

通过追踪与新冠肺炎患者接触过的人，卫生研究人员可以提醒他们，并阻止新冠肺炎的进一步传播。

youdao

Tracking down bugs in PHP code can be a challenge.

跟踪PHP代码中的错误可能是一项挑战。

youdao

Part 2 discusses some approaches to tracking down memory problems.

第2部分将讨论一些跟踪内存问题的方法。

youdao

He eventually signed after tracking down the true owner of the patents: Intellectual Ventures.

FORBES: Patent Stalker

The action is aimed at tracking down banking clients who escape paying taxes by hiding their money overseas.

BBC: UK tax evasion action hunt identifies 100 individuals

Alitalia security personnel also played a role in tracking down the alleged thieves, the statement said.

CNN: Italian police arrest dozens over Alitalia baggage theft