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。
• 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。
• 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。
• Pupils dilate, palms become sweaty and the heart rate increases.
  瞳孔放大，手心出汗。心率加快。
• 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。
• 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。
• "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 will dilate, making the eyes appear black.
  瞳孔会扩张，让眼睛看起来发黑。
• WineLate author, also likelihood and drinkWineCause systemic blood-vessel dilate, inadequacy of effective blood capacity is concerned.
  酒后发作者，也可能与饮酒引起全身血管扩张，有效血容量不足有关。