Among them, 91 died during the study, or 29 percent.

其中有91人，即29%的人在研究期间去世。

youdao

During the study, Rollie voluntarily went into the area equipped with the screen.

在研究中，罗妮自愿走进配备有大屏幕的区域。

youdao

In contrast, men who got divorced during the study saw a modest increase in their fitness levels.

相比之下，在研究期间离婚的男士健康状况会稍微恢复。

youdao

The vaccine did not lower the amount of virus in the blood of volunteers who became infected during the study.

VOA: special.2009.10.13

During the study period most countries had greater temperature changes from year to year than they have had historically.

VOA: special.2011.05.17

The other was its ability to reduce the amount of virus in the blood of people who became infected during the study.

VOA: special.2009.09.30

During the study, scientists from Wageningen University looked at trees near Wi-Fi hotspots for a three-month period.

FORBES: Wi-Fi Might Not Kill Trees After All

One test during the study involved analysis of the man's faeces and this revealed the presence of polio.

BBC: Silent polio carrier highlights risk

In all, 534 women had a breast cancer recurrence or died from breast cancer during the study period.

CNN: Soy may benefit breast cancer survivors, study says