triangularKK [traɪˋæŋgjəlɚ] /tɹaɪˈæŋɡjəlɚ/形容詞1三角形的、三角的She folded the napkin into a neat triangular shape.她把餐巾摺成整齊的三角形。2三方的、三邊的The three countries signed a triangular trade agreement last month.這三個國家上個月簽署了三方貿易協定。3三角關係的The novel centers on a triangular relationship between old friends.這本小說以幾位老友之間的三角關係為主軸。