Only after scientists are certain that they're disease free, will the plants be sent to farmers in West Africa or wherever else they are needed.

只有在科学家确定这些植物没有病害后，这些植物才会被送往西非或其他需要它们的地方。

youdao

Good studies are needed to lend credence to the notion that genuine progress can be made in this important field.

要有优秀的研究才能使人相信在这一重大领域能取得真正的进步。

《柯林斯英汉双解大词典》

Everybody can be a good citizen, because in many cases a friendly smile is all that is needed to build a better world.

每个人都可以成为一个好公民，因为在很多情况下，一个友好的微笑是建立一个更美好的世界所需要的全部。

youdao

Also,the root can stay in the ground for as long as three years, so it can be harvested as needed.

VOA: special.2010.06.08

Of course, the problems are not damning; they're problems that reflect the progress yet needed to be made in insurance.

当然,这些问题并不是非常糟糕的,这些问题反映了,保险行业中还有待改进之处

耶鲁公开课 - 金融市场课程节选

They wanted the roads for their Army, just like the US Interstate system was originally created in case the Army needed to be moved across the country very quickly if the Soviets attacked.

只关注军队用路，就好像美国州际公路系统,原本是为了苏联攻击时,陆军能快速穿越国家而建的。

耶鲁公开课 - 新约课程节选

Dr Mark Stacy, director of movement disorders, at Duke University School of Medicine, North Carolina, US, said Parkinsonpoly would be particularly useful in alerting patients to changes that could be needed in their medication.

BBC: 'Board game' for Parkinson's patients

If the Liaison Committee gets its way, all these would be joint appointments by the Government and Parliament - and having been involved in the appointment, parliamentary approval would be needed in order to sack them.

BBC: Committees seek power over key hiring and firings

Palin was updated constantly even by the Elmendorf Air Force in Anchorage in whatever defense tactics would be needed in the case of such an attack.

FORBES: Sarah Palin Goes Grizzly At Glenn Beck Rally