Dr. Gill and his team were able to come to this conclusion by extracting bacterial DNA from the feces of two volunteers.

吉尔博士和他的研究小组是通过提取两位志愿者粪便中的细菌 DNA 后得出这一结论的。

youdao

Right. What I want now is two volunteers to come down to the front.

对了。我现在需要的就是两个自告奋勇者到前面来。

《柯林斯英汉双解大词典》

In the morning, we took a taxi towards the outskirts of the city, where the Dignitas house is based, and two volunteers took us inside.

早晨，我们坐上的士前往尊严诊所所在的城郊。两位志愿者把我们迎进门。

youdao

The study was carried out with the help of about two hundred volunteers.

VOA: special.2009.03.03

But two of you, if you would like to come up for just a moment. Volunteers.

你们其中有没有两个人,能过来一会儿，志愿者。

哈佛公开课 - 计算机科学课程节选

About two thousand volunteers help students in twenty-three cities across the country.

VOA: special.2010.07.16

Two volunteers got lost themselves and had to be airlifted out Wednesday afternoon.

NPR: 1 Calif. Hiker Still Lost, 1 Found And Recovering

At its peak, Kobe had two volunteers for every distressed inhabitant.

ECONOMIST: Japan

We chose to tag along with two volunteers from the John Edwards campaign as they knocked on doors in Portsmouth, but we could have picked any campaign, any town.

NPR: Hillary Clinton Seeks Rebound in New Hampshire