单词	procambium
释义	procambium noun pro·​cam·​bi·​um (ˌ)prō-ˈkam-bē-əm  : the part of the primary meristem of a plant that forms cambium and primary vascular tissues procambial (ˌ)prō-ˈkam-bē-əl  adjective Word History Etymology New Latin First Known Use 1872, in the meaning defined above
随便看	trenails trench trench (on) trench artillery trench cart trench coat trench coats trench digger trench fever trench foot trench knife trench mouth trench on trench silo trench warfare trench-plow trenchancies trenchancy trenchant trenchanter trenchantest trenchantlier trenchantliest trenchantly trenchards

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