例句與造句

1. Investigation of tugai forests formation ( vegetation map , tree ages , soil sampling ) at a still natural site with river relocation ( site in iminq ? k )
   通過植被圖、年輪、土壤分析，在自然的胡楊林（移民且克）研究土加以森林形成過程。
2. The bird community composed by the birds that nest on the ground only in younger manpower forest , and the bird community on ground replaced by birds that nest on trees following the increase of tree age
   在林齡較小的人工林中，鳥類群落僅由在地面繁殖的鳥類組成，隨著林齡的增加，逐漸演替為樹上營巢鳥類群落。
3. It's difficult to find tree age in a sentence. 用tree age造句挺難的