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

The initial deal should trade suspension of enrichment for suspension of sanctions.

最初的协议应该以暂停浓缩活动换取暂停经济制裁。

youdao

So the us should set a deadline for the suspension of enrichment. The initial deal should trade suspension of enrichment for suspension of sanctions.

所以美国应该对停止浓缩行为设定一个最后期限。最初的交易是以暂停浓缩铀以换取制裁的中止。

youdao

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.

ECONOMIST: Less than meets the eye so far

Ali Velayati, who was foreign minister from 1981-97, and remains a top adviser to Iran's Supreme Leader, Ayatollah Ali Khamenei, has publicly declared that Iran should accept the proposal, which calls for an initial six-week period of preliminary talks, during which Iran would forego any expansion of its enrichment programme in exchange for a freeze on new sanctions.

ECONOMIST: Iran��s confrontation with the West