lacuna
n. 空白; 空隙; 腔隙; 缺陷
If you say that there is a lacuna in something such as a document or a person's argument, you mean that it does not deal with an important issue and is therefore not effective or convincing.
There are still major lacunae in the material available.
手邊的材料依然存在嚴重缺漏。
1. a blank gap or missing part
2. an ornamental sunken panel in a ceiling or dome
Reasons of forming first cracks were foundry lacuna, impurity gathering , lard exiting.
鑄造缺陷 、 雜質元素偏聚和夾雜物的存在是形成早期裂紋源的原因.
Objective To investigate the clinical value of transcranial Doppler ( TCD ) in cerebral lacuna infarct.
目的探討經顱多普勒 ( TCD ) 檢查在腦腔隙性梗死中的應用價值.
Our increased awareness of the scarcity value of environmental resources makes this lacuna especially troubling.
我們對環境資源稀缺價值意識的增強,讓這種忽略令人尤為擔心.
There was so much very deep lacuna in his crude big hands.
粗糙的大手上一道道很深的裂口.
It is this political lacuna that makes optimists about Brazil so impatient.
正是這塊政治上的疤痕使得對巴西的前景很有信心的樂天派們變得像熱鍋上的螞蟻,如坐針氈.