dilate

英 [daɪˈleɪt]

美 [daɪˈleɪt]

v.  扩大; (使)膨胀，扩张

过去式：dilated　过去分词：dilated　现在分词：dilating　第三人称单数：dilates　复数：dilates　

TOEFLIELTSGRETEM8

Collins.1 / BNC.19079 / COCA.18343

牛津词典

verb

• 扩大；（使）膨胀，扩张
  to become or to make sth larger, wider or more open
  1. Her eyes dilated with fear.
     她吓得瞪大了眼睛。
  2. dilated pupils/nostrils
     扩大了的瞳孔；张大了的鼻孔
  3. Red wine can help to dilate blood vessels.
     红葡萄酒有助于扩张血管。

柯林斯词典

• V-ERG (使)(血管)扩张;(使)(瞳孔)放大
  When things such as blood vessels or the pupils of your eyesdilateor when somethingdilatesthem, they become wider or bigger.
  1. At night, the pupils dilate to allow in more light...
     到了晚上，瞳孔就会扩大以接收更多光线。
  2. Exercise dilates blood vessels on the surface of the brain.
     运动会使大脑表层的血管扩张。

英英释义

verb

• become wider
  1. His pupils were dilated
  Synonym:distend
• add details, as to an account or idea
  1. She elaborated on the main ideas in her dissertation
  Synonym:elaboratelucubrateexpatiateexpositenlargeflesh outexpandexpound

双语例句

• Due to the long term shunting of blood and an increase in volume load, the right atrium, right ventricle& pulmonary arteries dilate.
  分流所致的长期容量负荷增加造成右房、右室和肺动脉扩张。
• At night, the pupils dilate to allow in more light
  到了晚上，瞳孔就会扩大以接收更多光线。
• Dilate: to make wider or larger; cause to expand.
  使膨胀：使更宽或更大；引起膨胀。
• For example, medicines that help dilate major air passages of the lungs can improve shortness of breath.
  例如，帮助扩张肺部主要气道的药品能够改善呼吸困难。
• 11.And a passionate kiss has the same effect as belladonna in making our pupils dilate.
  11.一个深情的吻可以和颠茄（一种有毒植物）一样让人的瞳孔扩大。
• Relating to the nerves and muscles that cause the blood vessels to constrict or dilate.
  与引起血管缩小或扩张的神经和肌肉有关的。
• It activates the cardiovascular system, so heart rate and blood pressure increase, then the arteries dilate, causing blood pressure to fall again.
  它可以激活你的心血管系统，心率和血压随之升高，然后动脉扩张，导致血压再次降低。
• The pupils will dilate, making the eyes appear black.
  瞳孔会扩张，让眼睛看起来发黑。
• An alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil.
  从茄属植物中提取的生物碱；用于抗痉挛和扩大眼睛瞳孔。
• Dr McMahon also established that stored blood does indeed lose its ability to dilate blood vessels.
  他还确定储存过的血确实失去了扩张血管的能力。