例句與造句

1. the root of the pine tree worked down between the stones
   松樹的樹根在石縫間扎下去。
2. recommendations for tree work
   森林管理推薦規(guī)范
3. techniques for dwarfing and high-density culture of'ob-2t-47'apple trees worked on vigorous rootstocks
   藤牧1號蘋果矮化密植栽培技術(shù)
4. It's difficult to find tree work in a sentence. 用tree work造句挺難的