die back

英 [daɪ bæk]

美 [daɪ bæk]

（植物）枯死但根部还活着〔说明〕die back通常不用于进行体。

柯林斯词典

• PHRASAL VERB (植物)回枯，假死（指枝叶枯萎而根部仍存活）
  If a plantdies back, its leaves die but its roots remain alive.
  1. They often take a long time to die back after flowering.
     花期过后，它们的枝叶常常过很长一段时间才会枯萎。

英英释义

verb

• suffer from a disease that kills shoots
  1. The plants near the garage are dying back
  Synonym:die down

双语例句

• Numerical Simulation and Die Design for the Back Screw Semi-Solid Forming
  螺旋桨后桨半固态成形数值模拟及模具设计
• Given that we're going to die, this fact seeps back in and poisons the nature of life or perhaps poisons the nature of the whole, life followed by death, so that on balance the whole thing's negative.
  已知我们会死，这个事实渗透到并使毒害生命的本质，或者也许毒害所有事的本质，生后即是死，所以总的来说，所有的事都是消极的。
• Prevention Method and Morphological Characteristics Dried up Die back of Larix
  落叶松枯梢病的形态特征及防治方法
• A new automatic back pressure adjusting system of unloading valve of slide for the purpose of protection of die to meet requirements of adjusting back pressure value of press slide.
  为了更有效地保护模具，达到满足用户对压力机滑块背压值进行调整的要求，开发设计了一种新型的现代化的滑块卸荷阀背压自动调节系统。
• Conversely, when forests are cleared or die back because of global warming, they emit carbon.
  与此相反，当森林被采伐，或由于全球变暖而枯死，会释放二氧化碳。
• The design of drawing die is the front floor inside passage to strengthen the platen, side die design is a back crossbeams inside plate in floor to fix the side die.
  所设计的拉延模是前地板中通道加强板的拉延模，修边模设计的是地板后横梁内板的修边模。
• Study on bending-extrusion technique and die design of the back plate of brake
  刹车片背板弯挤成形工艺研究
• They often take a long time to die back after flowering.
  花期过后，它们的枝叶常常过很长一段时间才会枯萎。
• "And oh, I shall die if I have to go back to Tara in disgrace, like mother threatens!"
  “并且，唔，如果硬叫我这么丢脸地回塔拉去，我就要像母亲警告过的那样，死给他看！”
• However, die back of plants, grown weed and shallow extension of root in the wetland, which affect the growth and purification efficiency of plants in wetland, are problems for artificial wetland management.
  人工湿地植物存在着枯死衰退、杂草丛生和根系扩展较浅等问题，影响人工湿地的净化功能。