He is an outstanding walnut fondler, collector, and appraiser.

他、收藏、鉴定山核桃行当中佼佼者。

Are there walnuts in this sauce?

这沙司里面有核桃吗？

Physiological mature of bud is the base of grafting,and semi-lignify is considered as the index of walnut grafting at growing stage.

植物芽生理成熟对植物嫁接基础,核桃生长期嫁接均采用半木质标。