小开口；小凹或凹陷,尤指骨中的。
lacunas — plural of lacuna
小开口；小凹或凹陷,尤指骨中的。；小空白；空隙或空缺；间断。
小开口；小凹或凹陷,尤指骨中的。
A small opening; a small pit or depression, especially in bone.
空白缺口或缺失部分
a blank gap or missing part
小空白；空隙或空缺；间断。
A small blank space; a gap or vacancy; a hiatus.
天花板或圆顶上的装饰性凹板
an ornamental sunken panel in a ceiling or dome
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