例句與造句

1. The field grafting process reduced the time to two years.
2. Between 1984 and 1988, the Hunts collaborated with Cornell Cooperative Extension Grape Specialist Dr . Tom Zabadal to convert undesirable grape varieties to more promising wine varieties by the use of field grafting in cold climate vineyards.
3. It's difficult to find field grafting in a sentence. 用field grafting造句挺難的