tree disease

例句：

1. 1. The tree disease has spread rapidly through the forest.
   这种树木疾病已经在森林中迅速传播。
2. 2. Tree diseases can be prevented by regular pruning and care.
   通过定期修剪和护理，可以预防树木疾病。
3. 3. The local authorities are investigating the cause of this recent tree disease outbreak.
   当地当局正在调查这起最近发生的树木疾病爆发的原因。