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

• 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
• It's pressing flow is confirmed by analyzing pressing technology of 42 inch plasma color TV's back cover, and expounding drawing die structure design of back cover and it's working process.
  通过对42寸等离子彩电后盖的冲压工艺分析，确定了该制件的冲压工艺流程，阐述了后盖的拉伸模具结构设计及工作过程。
• 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。
• Finally the root-knots rotted, and dropping of etiolated leaves and the die back of the branches occurred.
  后期根结腐烂，病树叶片黄化脱落，梢枯乃至死亡。
• Your eyes close and open again and again, I die and come back time after time.
  你眼睛眨呀眨，我就死去活来千百回。
• Summer crowds die down as kids go back to school, and airfares and hotel rates fall with the leaves.
  随着落叶飘零，学生返校，避免了夏季避暑人群高峰，机票和酒店价格这时候也跟着下降。
• And if it is sold after I die, I will reach back from the grave and prevent it.
  如果它在我死后被卖了，我会从坟墓里跳出来阻止。
• 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
• My daughter was out on the lake again, at two o'clock in the morning& catching fish, watching them die, and throwing them back.
  那是凌晨两点钟，我女儿又出现在湖面上&捕鱼，看着鱼儿渐渐死去，然后再扔回到湖中去。
• 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。