单词：coarctation
n (biology) a narrowing or constriction of a vessel or canal; especially a congenital narrowing of the aorta
coarctation的用法和样例：
例句
- The characteristics of small faults are coarctation and zonation with clear direction.小断层具有密集成带的特点，且方向性明显，成为影响煤矿生产的主要地质因素。
- The coarctation characteristic of capital of the real estate industry has determined that the real estate industry is a financial industry in fact.摘要房地产行业的资金密集性特征决定了房地产行业实质上是一个准金融行业。
词汇搭配
- coarctation of aorta主动脉缩窄
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