ponderosas造句

例句与造句

1. callaham and liddicoet found an elevational cline in ponderosa pine from northern california .
   卡拉汉和利狄柯特发现加利福尼亚北部产的黄松有一海拔渐变群。
2. It's difficult to find ponderosas in a sentence. 用ponderosas造句挺难的