1.The researchers, from Washington University in St Louis, USA, say that people with malaria give off a distinctive "breath print".
give off发出;放出;散发出
If plastic and rubber are burnt, they'll give off poisonous gases.
要是塑料和橡胶被焚, 就会放出有毒的气体 。
2.The researchers say it could lead to a new, cheap and easy way to help diagnose malaria.
lead to通向;导致
Politicians say it could lead to a dissolution of parliament.
政客们说这可能会导致议会解散 。
3.This would have a major impact on the control of malaria, because all current diagnostic methods require blood sampling.
have an impact on对…有影响,对…起作用
Society begins to have an impact on the developing child.
社会开始对成长中的孩子产生影响 。