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

• Your pupils contract in bright light, and dilate in darkness.
  你的瞳孔会在明亮的光线下收缩，在黑暗中扩大。
• 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。
• He likes to dilate upon what he thinks is wrong with the world.
  他喜欢细细评述他认为世界上不对的地方。
• To conserve blood that will be needed by muscles, skin vessels constrict while vessels of the muscles dilate.
  为了保存肌肉所需要的血液，皮肤血管收缩，而肌肉血管舒张。
• If I had time, I could dilate on this topic.
  如果我有时间，我就可以详谈这个话题。
• The pupils of the eyes dilate as darkness increases.
  眼睛的瞳孔随暗度增加而张大。
• The lungs dilate in breathing.
  呼吸时肺部扩张。
• Exercise dilates blood vessels on the surface of the brain.
  运动会使大脑表层的血管扩张。
• Sometimes, I feel I need to dilate my pupils to remain attentive.
  有时，我觉得需要扩大瞳孔才能精神集中。
• Dilate: to make wider or larger; cause to expand.
  使膨胀：使更宽或更大；引起膨胀。