省力的方法：

https://nuts.com/nuts/walnuts/oil.html?utm_source=google&utm_medium=cpc&adpos=1o5&scid=scplp05639-01&sc_intid=05639-01&gclid=EAIaIQobChMIr6mo-5mn4AIVBkGGCh18gApkEAQYBSABEgLqY_D_BwE

 

https://www.amazon.com/Spectrum-Essentials-Walnut-Oil-Refined/dp/B079781FZ8/ref=asc_df_B079781FZ8/?tag=hyprod-20&linkCode=df0&hvadid=309843588692&hvpos=1o3&hvnetw=g&hvrand=7939648212611075404&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9002183&hvtargid=pla-611188904542&psc=1&tag=&ref=&adgrpid=60447194863&hvpone=&hvptwo=&hvadid=309843588692&hvpos=1o3&hvnetw=g&hvrand=7939648212611075404&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9002183&hvtargid=pla-611188904542