Anyways, these honey bees are very healthy and disease-free.

无论如何，那些蜜蜂都很健康而且没有疾病。

youdao

Micropropagation is used for the mass clonal propagation of elite lines or disease-free planting material.

微繁殖被用于优良品系或无病害种植材料的大规模无性繁殖。

youdao

Though the men appear disease-free almost two years after the experimental therapy, it wasn't a panacea.

尽管在接受实验性治疗后近两年的时间内患者呈现无病状态，但是基因治疗不是万能药。

youdao

A new study has found the strongest evidence yet that smoke-free laws can reduce a major effect of tobacco smoking - heart disease.

VOA: special.2009.01.07

"Exposure to tobacco smoke is a risk factor for cardiac disease already in adolescents, and that's why this study supports that children and adolescents need smoke-free environments."

VOA: standard.2010.03.04

In May a further swathe of ranching country, from Sao Paulo almost to Amazonia, was certified disease-free.

ECONOMIST: Brazil

Half those with premalignant adenomas also had it, but it was present in none of those who were disease-free.

BBC: Gene test hope for bowel cancer

The monkeys grew up sturdy, disease-free, and larger than those from the wild.

NEWYORKER: Hellhole