"English walnut: a Eurasian tree ( Juglans regia) cultivated in southern Europe and California for its valuable wood and its large, edible nuts." “胡桃:欧亚大陆的一种核桃树(核桃核桃属),核果大且可吃,其木材有价值.”
The density and strength of English Walnut, Gingko, Camphor Tree Camphor Wood and Rubber Tree were medium, and the density and strength of Common Jujube and Chinese Chestnut were high. 核桃、橡胶、樟树和银杏的密度和力学强度较大,板栗和枣树木材的密度和力学强度很大;