sindexsemiround./sem-ee-round, sem-ahy-/US // ˌsɛm iˈraʊnd, ˌsɛm aɪ- //半圆形,半环形,半包围,半圆形的Definitionsadj.adjective · 形容词1.›having one surface that is round and another that is flat.Level 3More words in s →