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

• Droop, sink, or settle from or as if from pressure or loss of tautness.
  因为压力或失去拉紧的力而低垂、下沉或下陷。
• In the droop of her lip there was something sensuous.
  在她那下垂的嘴唇上的确有点儿敏感的意味。
• 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。
• Outer loop of UPFC bus voltage control system adopts voltage droop control that consists of PI regulation and scaling factors of droop characteristic.
  外特性下垂并联控制方法主要有两种实现形式：负载电流前馈方式和减弱电压控制环方式。
• Paralleling Control Technique of Microgrid Inverters Based on Improved Droop Method
  基于改进下垂法的微电网逆变器并联控制技术
• See how they hang their heads and droop, and wither.
  看！它们不是低着头，弯下腰，就要枯萎了吗？
• To hang or let hang loosely; droop.
  耷拉松散地挂或使松散地挂；耷拉。
• Pulses have fast rise and fall times, and minimal droop.
  脉冲能迅速上升和下降，减少误差。
• As we have seen, the effects of such actions were not to make the people of North China droop, but rage;
  正如我们所看到的，这些倒行逆施并没有使华北人民屈服，反而激起了他们的仇恨。
• Life in the sunshine is so exhilarating that we seldom notice our faith beginning to droop.
  生活在艳丽的阳光下，会让我们很兴奋，以致于没注意到，我们的信心可能正在加速的消失；