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

• 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
• 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。
• Pulses have fast rise and fall times, and minimal droop.
  脉冲能迅速上升和下降，减少误差。
• When the flowers droop in the evening and cattle come back to their stalls, you stealthily come to my side and speak words that I do not understand.
  当花儿晚谢，牛儿归棚，你偷偷地走到我身边，说出我不了解的话语。
• 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。
• Everybody hunch their backs forward and droop their heads, like this, he said, demonstrating.
  请大家弓起后背并低头，就像这样，他一边说一边亲身示范。
• Crook's eyelids drooped and he yawned
  克鲁克的眼皮耷拉下来，打了个哈欠。
• 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。
• 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。
• 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。