枯死但根部还活着；顶梢枯死；
4. die back在线翻译
1. 枯死：167 depend on 依靠,依赖 | 168 die back 枯死; | 169 die down 逐渐消失;止息;
2. 枝叶枯萎：die away 渐息 | die back 枝叶枯萎 | die by one's own hand 自杀
3. 萎缩：dideoxy nucleotide 双脱氧核苷酸 | die back 萎缩 | diel rhythm 昼夜节律
4. 模孔出口角：die 模 | die back 模孔出口角 | die backer 模垫
verb
1. suffer from a disease that kills shoots
e.g. The plants near the garage are dying back
Synonym: die down
2. die back的解释