The survival rate of transplanting old or big trees lies in the transplanting technology of big trees, which includes heeling in and transplanting.

保证大树或者古树移植成活率的关键是掌握大树移植技术，其技术主要包括大树假植技术和移栽定植技术。

youdao

Buckley isn't an archaeologist. He studies tree rings, which record the growth history of trees that can be hundreds of years old, or even older.

VOA: standard.2010.04.05

Remove 200-year-old Amazon mahogany or Congolese sapele trees and the species may go locally extinct.

ECONOMIST: Western consciences can do only so much to conserve forests

Each house was set off on a knoll or well back from the street, with stands of lean trees dividing the properties just the sort of old establishment solidity that suited me.

NEWYORKER: Wakefield