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

• 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。
• The encounter opened his memory and his senses, and left them dilate.
  这次相逢打开了他的记忆和感官，再也收不拢。
• 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。
• Exercise can help blood vessels dilate with greater ease, increase insulin effectiveness in muscles, and decrease heart rate.
  体育锻炼可以帮助血管，使它们比较容易扩张，增加胰岛素在肌肉中的有效度，又能使心跳放慢。
• 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。
• This drug will dilate the arteries.
  此药将使动脉扩张。
• "This suggests that adding nitric oxide to human banked blood could theoretically improve its ability dilate blood vessels and thus prevent heart attacks and even death in patients," said the researchers.
  研究人员说“这表明在库存血中加入一氧化氮理论上可以提高其血管扩张的能力，从而防止病人的心脏病发作，甚至死亡”。
• The pupils of the eyes dilate as darkness increases.
  眼睛的瞳孔随暗度增加而张大。
• Pupils dilate, palms become sweaty and the heart rate increases.
  瞳孔放大，手心出汗。心率加快。
• Exercise dilates blood vessels on the surface of the brain.
  运动会使大脑表层的血管扩张。