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。
• 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。
• Wisps of them lead or droop because there must always be leading and drooping.
  因为他们必须总是被拉扯弯曲和被引导的，所以云幻化成一缕缕的。
• When the fuse is blown out, the rotary link piece and the lower moving contact droop to indicate failure occurrence.
  当熔丝熔断时，转动连片和下动触头下垂，即可显示发生故障。
• 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。
• 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。
• As I have a bit dry in the heart of some of its inadequacies are all bits and pieces of the droop.
  就如我显得有些干涸的心脏，枝枝节节都有些力不从心的耷拉。
• 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。
• 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？
• Pulses have fast rise and fall times, and minimal droop.
  脉冲能迅速上升和下降，减少误差。