We need fill up our knowledge lacuna.

我们应该填补知识空白点。

The lacuna of the book is one of the best parts of the story.

这本书的缺失部分是这个故事中最好的几部分之一。

Muscular lacuna can cause bad muscular movement.

肌腔隙可能导致不好的肌肉运动。

Repair immediately when the lacuna is discovered.

发现缺陷后立即修理。

The question is, is it a big lacuna as well as a deep one?

问题在于，这一缺陷是否既重大又影响深远？

His long reticence temporarily distracted attention from a bigger lacuna.

他始终保持沉默，分散了人们对一个更大缺漏的注意力。

Objective We analysis the clinical significance of lacuna encephalon infarction.

目的分析腔隙性脑梗塞在临床中的表现。

Either way, it suggests a profound lacuna in biologists' understanding of the world.

不论怎样，这都意味着生物学家对于世界的认识存在重大缺陷。