Necessary For Survival的意思|示意

The trick, Dr Smith suggests, is to cut patients' iron intake to the minimum necessary for survival.

史密斯博士的技巧是，将病人的铁摄入量减少到维持生命的最低水平。

For the survival of the community, food webs are necessary.

生存的群落，食物网是必须的。

Letting go of the survival tools I needed on the street was a necessary transaction for admittance to a better life.

抛弃街头的生存工具是进入更好生活的必要牺牲。

Caring is just the first step, though. Next, people have to work together to achieve the social reforms necessary for our survival.

然而，关怀只是第一步，接下来，还需要人类团结起来为我们的生存作出必要的社会变革。

Obama suggested he would support such a plan, so long as it was accompanied by conditions to "keep the automakers' feet to the fire in making the changes that are necessary" for longer-term survival.

奥巴马表态他将支持这样的计划，只要同时有条款让汽车制造商在进行必要的变革以获得长期生存能力时承担着一定的压力。

Although they appear necessary for HIV's survival, precisely what they do that the virus needs is unknown.

尽管已经证实它们对HIV的生存是有必需的，但是确切的作用机理还不清楚。