In the way enrichment works, getting from 20% to bomb-usable 90% enrichment takes a lot less effort even than churning out the initial 3.5% reactor-grade stuff still piling up at Natanz.

走浓缩这条路，从20%到可用作造核弹的90%的浓缩所要花费的努力甚至比艰苦地做出开始的3.5%浓度的反应堆物质要少的多。 在纳坦兹，伊朗依然在生产3.5%浓度的浓缩铀。

youdao

For instance, low bond yields and the dollar's refusal to plunge are partly due to the way these countries have been piling up foreign reserves.

例如，债券的低收益与美元的不愿进入部分由于这些国家持有了外汇储备。

youdao

He was way behind and new work was piling up faster than he could get to it.

以前的事情还没做完，新的事情又以比他做工作更快的速度堆积而来。

youdao

The researchers found no evidence of things going the other way around, with speculators driving up prices and nervous commercial traders piling in to protect themselves.

FORBES: Oil