constriction

n 1 [U] constricting 紧缩; 收缩. 2 [C] (a) feeling of tightness 紧缩或压迫的感觉: a constriction in the chest 胸部的压迫感. (b) thing that constricts 紧缩的事物: the constrictions of life on a low income 低收入的节衣缩食.

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