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

他是把玩、收藏、鉴定山核桃行当中的佼佼者。

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.

植芽的生理成熟是对植的基础,核桃生长期均采用半木质化为指标。