英:[serjʊ'leɪʃən]
美:[ˌserjʊ'leɪʃən]
noun
the state of being serrulate
a serrulate formation
serrulate + -ion
1 锯齿形
zigzag serrate argute hackle indention serration
2 锯齿状
laciniate flexuose jagged toothed indented saw-toothed dentate flexuous denticle hackly zigzag