The block cipher with a substitution permutation network is the best known and widely used block cipher system.

包含代替置换网络的分组密码是一种广泛使用的分组密码系统。

youdao

Do not write using only block letters. I have highlighted all the places where you should not have used block letters.

不要只用正楷写文章，我已经在你不应该使用正楷的地方为你显著标明了。

youdao

The British government used its veto to block the proposal.

英国政府行使其否决权阻止了这项提案。

《牛津词典》

Turkey started EU entry talks in 2005, but Cyprus has repeatedly used its position in the EU to block the opening of chapters, or areas to negotiate to ensure policies meet EU standards, as a pressure tactic on Ankara.

VOA: standard.2010.04.15

In Scratch, the block you may have used for this idea literally says "or" for or; in C, two vertical bars.

在Scratch中，这个你用的程序块,照字面地想法来说“or“表示或者;,在C语言中，是两个竖线。

哈佛公开课 - 计算机科学课程节选

Three times in recent weeks, Republicans have used parliamentary tactics in the Senate to block the extension of benefits, angering the president at a time when he is trying to move this and other legislation through Congress before the congressional recess.

VOA: standard.2010.07.19

They also believe that techniques used to block this gene in mice could be used on humans, including those who have difficulty developing muscles.

BBC: Myostatin controls the growth of muscles

Makeshift checkpoints sprang up, with litter bins, bricks, gates and uprooted lamp-posts used to block cars.

ECONOMIST: Upheaval in Syria

They used to block development in the city centre, fearing that it would mean higher taxes.

ECONOMIST: Reno