lack

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【释义】：

Ⅰ n．缺乏，不足，缺少的东西Ⅱ v．缺乏，不足(主要用于现在分词形式)

for(by，from，through)lack of…因缺乏…；因无…

lacking in strength乏力

lack of physical exercise运动不足

lack of preservation of spirit心神失养

lack of warmth by yang阳失温煦

the lack of sleep睡眠不足

Yang-qi is lacking．阳气不足。

This patient’s tongue is lacking of body fluid．这位病人舌乏津液。

Deficient spleen and stomach may make qi and the blood lack sources．脾胃虚衰使气血乏源。

The blood is lacking for the heart．心血亏虚。