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

• The pupils will dilate, making the eyes appear black.
  瞳孔会扩张，让眼睛看起来发黑。
• "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”。
• Tests suggested that steady exposure to dark chocolate prompted chemical changes that helped dilate blood vessels and regulate blood pressure, the researchers said.
  研究者称，这些实验暗示，长久稳定地摄入黑巧克力会引起可以帮助扩大血管，调节血压的化学变化。
• Or it is the fiber appearance spot with scar shape smooth face, without dilate of apparent blood capillary, ulcer and apophysis.
  或是疤痕样表面光滑的纤维样斑，无明显毛细血管扩张、溃疡及隆起。
• 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。
• 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。
• Exercise dilates blood vessels on the surface of the brain.
  运动会使大脑表层的血管扩张。
• 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。
• Dilate: to make wider or larger; cause to expand.
  使膨胀：使更宽或更大；引起膨胀。
• 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。