Cold water applied to the head constricts the blood vessels.洒到头上的冷水起到了收缩血管的作用。

This frees him from many of the rules that constricted his predecessor.这使他免于像他的前任那样受很多条例束缚。

She objects to the tests the Government's advisers have devised because they constrict her teaching style.她反对政府顾问设计的测试, 因为这些测试限制了她的教学风格。

My throat constricted, so that I had to concentrate on breathing.我喉咙发紧, 不得不集中精神呼吸。