英 [ˈkrenətʃə]
n. 圆锯齿
crenation /ˈkrɛnəˌtjʊə, ˈkriː-/
名词 any of the rounded teeth or the notches between them on a crenate structure 圆锯齿
圆锯齿
... crenel 城或墙顶之垛口... crenature 圆锯齿 crenation 圆锯齿状 ...
... 玄参科植物地黄 rehmannia glatinosa libosch 玄参科植物胡黄连 picrorhiza scrophulariiflora pennell 钝锯齿 crenature; obtusely serrate ...