Home/serotinalserotinal/si-rot-n-l, ser-uh-tahyn-l/US // sɪˈrɒt n l, ˌsɛr əˈtaɪn l //锯齿状,血清,锯齿状的,锯齿形Definitionsadj.形容词 adjective1: pertaining to or occurring in late summer.Level 3Browse all words →