Renin also causes constriction of blood vessels which helps raise blood pressure.

肾素也能引起血管收缩，从而帮助升高血压。

The era of constriction is over.

缩减规模结束了。

Nicotine and other chemicals from the cigarette simultaneously cause constriction of blood vessels and damage their delicate endothelial lining, restricting blood flow.

香烟携带尼古丁和其他化学成分，会使血脉缢缩，同时损伤它们脆弱内皮细胞，限制血流。

" We've come a long way since those days, Ashley, " she said, trying to steady her voice, trying to fight the constriction in her throat.

" 从那些以来，我们已走了很长一段路程呢，艾希礼，" 她说，设法使自己声音坚定些，努力控制她那紧缩颤抖。"

Horner syndrome involves miosis or constriction of the pupils, ptosis or the drooping of the eyelid, and anhidrosis which is an inability to sweat in the face.

Horner综合征包括瞳孔缩小、上睑下垂以及面部无汗。

This third important cleaning device - like breathing, under partial voluntary control - is a rapid muscle contraction and bronchial-tube constriction that generates a wind force far stronger than a tornado.

第三个重要清洁装置 – 如呼吸，在半自主控制下 – 是一种快速肌肉收缩和支气管收缩，产生风力远强于龙卷风。