4.It was a picture of a boa constrictor digesting an elephant.
5.A boa constrictor is a very dangerous creature, and an elephant is very cumbersome.
6.It was a picture of a boa constrictor in the act of sw allowing an animal.
书里有一副让人惊讶的画，画中一条蟒蛇正在把一头大野兽吞没下去。
7.The cricopharyngeal muscle, a component of the inferior constrictor, forms the muscular orifices of the esophagus.
环状咽肌是肌下缩肌中的一个组织，形成食道的肌肉。
8.PURPOSE: To produce Budd-Chiari syndrome (BCS)model for radiologic studies by using a self-devised Laminaria constrictor.
用自行设计的昆布缩窄器开发供放射学研究的Budd—Chiari综合征（BCS）模型。
9.Objective To release the spasm of pharyngeal constrictor and raise the successful rate of voice rehabilitation in total laryngectomized patients wearing Blom-Singer prothesis.
目的 为解除咽缩肌的痉挛 ,提高喉全切除术后用发音管发音重建的成功率。
10.The boa constrictor, when he has had an adequate meal , goes to sleep, and does not wake until he needs another meal.
巨蟒饱食一餐后就去睡觉，直到需要再进食时它才醒来。
