"blank or missing portion in a manuscript," 1660s, from Latin lacuna "hole, pit," diminutive of lacus "pond, lake" (see lake (n.1)). The Latin plural is lacunae. Related: Lacunal; lacunar; lacunose.
雙語例句
1. Reasons of forming first cracks were foundry lacuna, impurity gathering , lard exiting.
鑄造缺陷 、 雜質(zhì)元素偏聚和夾雜物的存在是形成早期裂紋源的原因.
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2. Results 42 cases were successfully, detain 7 - 16 days without lacuna out.
結(jié)果42例置管均成功, 留置時(shí)間7-16天,無管道脫出.
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3. 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.
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4. 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.
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5. Objective To investigate the clinical value of transcranial Doppler ( TCD ) in cerebral lacuna infarct.