hickory chips
noun [ plural ] uk/ˈhɪk.ər.i ˌtʃɪps / us/ˈhɪk.ɚ.i ˌtʃɪps/
（烧烤时用作燃料的）山核桃木屑
small pieces of hickory wood used as a fuel for a barbecue (= a method of cooking outside) to give food a special taste
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