Contact tracers search for individuals who may have come in contact with an infected person.

负责追踪接触者的工作人员要寻找可能与感染者接触过的人员。

Lee Young-Wook, a contact tracer, and her colleagues physically retrace the footsteps.

李英郁是一名接触者追踪员，她与同事们追踪患者的足迹。

For now she's assisting the city's health department as a contact tracer.

但目前，她正作为一名接触追踪员在协助该市的卫生部门。

Phone tracers put him late that evening close to where the belt was found.

并在距离腰带不远处侦测到了他的手机。

The U.S. Centers for Disease Control and Prevention 's director has estimated the country will need 100,000 tracers.

美国疾病控制和预防中心主任估计，美国需要10万追踪者。

Tracers try to contact every person who came within two meters of an infected person.

追踪者试图与每一个曾与感染者相距两米以内的人取得联系。

When people have identified contacts, tracers have done interviews with 6 in 10 of them.

当人们确定了接触者后，追踪者对他们中的6 / 10进行了访查。

Splendid against the night, the searchlights, the tracers' arcs, and the red flare of bombs.

在夜空中熠熠生辉，那些探照灯，那些闪耀的弧线，红色的照明弹。

Chicago says it has over 200 tracers now and expects the number to grow to about 800 by the middle of September.

芝加哥表示，他们现在有200多名追踪者，预计到9月中旬，这一数字将增加到800人。

A radionuclide cystogram uses a similar procedure as the VCUG, except that it uses a radioactive tracer injected into a blood vessel.

放射性核素膀胱显像和VCUG的过程相似，只不过需要静注放射性示踪剂。