血管狭窄

harrowing ordeal───痛苦的折磨

burrowing owls───穴居猫头鹰

hovering vessels───悬停船舶

Malpighian vessels───马尔皮基亚血管

axis of diesels───柴油机轴系

blood vessels───血管

borrowing rates───借款利率

burrowing blennies───穴居混合料

Significant differences may indicate a narrowing of vessels which could be caused by atherosclerosis.───显著的差别可以提示血管的狭窄，它可以由动脉粥样硬化引起。

Nicotine causes vasoconstriction, a narrowing of the blood vessels that can limit oxygen-rich blood flow to the tiny vessels in the face or other parts of the body.───尼古丁会导致血管收缩，血管的收缩将会限制富氧血液流向面部和身体其他部位的细微血管。

nicotine in cigarettes causes narrowing of the blood vessels in the outermost layers of your skin.───香烟中的尼古丁会使你皮肤表层的血管变窄，阻碍血液流向皮肤。