boa constrictor n.蟒蛇,王蛇...constrictor n.使压缩的东西,缩肌,大蟒缩...pupillo-constrictor center 缩瞳中枢...musculi constrictor pharymgis superior 咽上缩肌...musculi constrictor isthmi faucium 咽峡缩肌...musculi constrictor pharyngis medius 咽中缩肌...musculi constrictor pharyngis inferior 咽下缩肌...constrictor urethrae 尿道膜部括约肌...constrictor vaginae 阴道括约肌,球海绵体肌(女)...constrictor isthmi faucium 舌腭肌...
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