droop

英 [druːp]

美 [druːp]

v.  (尤指因衰弱或疲劳)低垂，垂落，垂下; 沮丧; 消沉; 垂头丧气
n.  下垂; 消沉

过去式：drooped　现在分词：drooping　第三人称单数：droops　过去分词：drooped　复数：droops　

GRETEM8

Collins.1 / BNC.16562 / COCA.15135

牛津词典

verb

• （尤指因衰弱或疲劳）低垂，垂落，垂下
  to bend, hang or move downwards, especially because of being weak or tired
  1. She was so tired, her eyelids were beginning to droop.
     她太疲倦了，眼睑开始往下垂。
• 沮丧；消沉；垂头丧气
  to become sad or depressed
  1. Our spirits drooped when we heard the news.
     听到这消息，我们情绪低落下来。

柯林斯词典

• VERB 低垂;下垂;垂落
  If somethingdroops, it hangs or leans downwards with no strength or firmness.
  1. Crook's eyelids drooped and he yawned...
     克鲁克的眼皮耷拉下来,打了个哈欠。
  2. Pale wilting roses drooped from a blue vase.
     泛白凋零的玫瑰从蓝色的花瓶里耷拉下来。
  3. ...a young man with a drooping moustache.
     蓄着八字胡的年轻人
  4. Droopis also a noun.
     
  5. ...the droop of his shoulders.
     他肩膀耷拉着

英英释义

noun

• a shape that sags
  1. there was a sag in the chair seat
  Synonym:sag

verb

• become limp
  1. The flowers wilted
  Synonym:wilt
• droop, sink, or settle from or as if from pressure or loss of tautness
  Synonym:sagswagflag
• hang loosely or laxly
  1. His tongue lolled
  Synonym:loll

双语例句

• Pulses have fast rise and fall times, and minimal droop.
  脉冲能迅速上升和下降，减少误差。
• To hang or let hang loosely; droop.
  耷拉松散地挂或使松散地挂；耷拉。
• Pale wilting roses drooped from a blue vase.
  泛白凋零的玫瑰从蓝色的花瓶里耷拉下来。
• His chest heaved and his body seemed to droop.
  他的胸脯上下起伏，身子也好象衰颓了。
• Paralysis of the mouth-the corner of the mouth may droop and saliva may dribble from it and speech may be slurred.
  嘴巴会麻痹&嘴角可能会下垂唾液可能会从嘴角流出而且会口齿不清。
• Readjustment, restructuring, consolidation and improvement The governor must have provision for adjusting speed ( generator frequency) and speed droop ( no load to full load).
  调整、改革、整顿、提高调速器必须具备转速调整（电机频率）降速降调整（负荷到满负荷）能。
• Pluck this little flower and take it, delay not! I fear lest it droop and drop into the dust.
  请摘下这朵小花，带走吧，不要迟疑！我怕它会凋谢，会跌落尘埃。
• Once the cup is knocked down, the valve plates arranged on the upper part of the water stop structure droop and closes with the gravity, thereby preventing the water from flowing out.
  如果，一旦有人将其碰倒，止水结构中处于上部的阀片，将由于重力的作用，下垂关闭阀口，制止水的流出。
• Remember, your first aim is not to droop the ball and your second aim is not to look at the ball.
  记住，你的第一个目标是不能掉球，第二个目标是带球时不能看球。
• The Wireless Parallel Control Technology Based on Modified Droop Chracteristic
  基于改进下垂特性的无互连线并联控制技术研究