The compiler can observe that there is a sequence of adjacent blocks that operate on the same lock, and merge them into a single block.

编译器可以观察到有一个顺序的相邻块对同一个锁进行操作，并会把它们合并到单一块内。

youdao

A block of code that must be executed in sequence and without interruption to guarantee correct operation of the software.

一段必须按次序执行的代码，并且不能被中断，否则不能保证软件正确地操作。

youdao

Each block of output code within a repeated sequence has its own internal position indicator, and any control within such a block can access that indicator through the index XPath extension.

重复序列中的每个输出代码块都有自己的内部位置指示符，代码块中的任何控件都可以通过XPath扩展index访问这个指示符。

youdao

What that colon is saying is, I'm about to begin a sequence of instructions that I want to treat as a block.

这个冒号的意思是，下面的一系列的指令,要当做一整块来对待。

麻省理工公开课 - 计算机科学及编程导论课程节选

The Rangers captain went on to block two more shots in a frantic sequence without a stick, swiped a puck away with his hand, and land a pair of body checks before he was able to get off the ice.

WSJ: Kane, Jokinen score 2 each in Jets win over NYR