All existing supplies of helium ought to be conserved and released only by permit, with medical uses receiving precedence over other commercial or recreational demands.

现有的所有氦供给应该被保存下来，并且只有在获得许可的情况下才能释放，医疗用途优先于其他商业或娱乐需求。

youdao

Firstly, all existing supplies of helium ought to be conserved and released only by permit, with medical uses receiving precedence over other commercial or recreational demands.

首先，所有现有的氦供应应该被保存下来，并且只有在获得许可的情况下才能释放，医疗用途应优先于其他商业或娱乐需求。

youdao

The European Union won a promise that Russian gas supplies would resume, only for them to be cut off again; the European Commission spoke of taking legal action.

俄罗斯向欧盟承诺仅在天然气被再次掐断的情况下才恢复天然气的供应；欧盟则表示有可能采取法律行动。

youdao

They would sometimes navigate to places to restock supplies only to find the entire area, and communities within, cleared by deforestation.

BBC: Amazon adventure: Ed Stafford's trek from source to sea

Utility executives made commitments in the late 1990s to what was supposed to be cheap natural gas, only to see prices spike as supplies tightened, contributing to the California power crisis and sending some companies into bankruptcy.

WSJ: Daniel Yergin on the Shale Gas Revolution: Stepping on the Gas

Combined with what is being sent to China and Iran, this resumption in supplies will only raise export levels to roughly half of what Turkmenistan is capable of exporting.

FORBES: Turkmenistan: Desperate for a Gas Market