1·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。
2·Bored piles are hidden works, piling too many links, the quality of the construction process prone to accidents, we must attach importance to the entire process of construction quality control.
钻孔灌注桩属于隐蔽工程，成桩环节多，施工过程容易出现质量事故，必须重视施工质量监控。
3·After the mid-17th century, Baroque-style church in Italy was all the rage, many of them new and original works, but also means clumsy, piling up over the building.
17世纪中叶以后，巴洛克式教堂在意大利风靡一时，其中不乏新颖独创的作品，但也有手法拙劣、堆砌过分的建筑。