Mice, in particular, are often bred deliberately to be as genetically similar to one another as possible, within a given line.

特别是老鼠，在特定的品系中，经常被有意地培养成基因上尽可能相似的同类。

And society has only solidified that line given our apparent response to good posture in ourselves and in others.

鉴于我们对自己和他人良好姿势的明显反应，社会只会巩固这条界限。

With dread, I remembered my circumcision the year prior. The doctor had given me the same line, reassured me it wouldn't hurt one bit.

我心悸地想起去年割包皮的情形，医生也是这么对我说，安慰说那不会很痛。

If I press " cc" , that deletes the given line, but puts me in insert mode, so I can replace it with some other line.

如果我按“cc”，则会删除给定的行，但会将我置于插入模式，这样我就可以用其他行替换它。

So, for example, if you press the c key, there's also this pattern that, if you press a particular editing key twice, it'll have that effect on the given line.

因此，例如，如果您按 c 键，也会有这种模式，如果您按特定编辑键两次，它将对给定行产生这种效果。

Readers interested in the specific detail of Wegener's career will see that he often stopped pursuing a given line of investigation (sometimes for years on end), only to pick it up later.

对韦格纳职业生涯的具体细节感兴趣的读者会发现，他经常停止进行某一特定的调查（有时连续多年），只是后来才重新开始。