ㄙㄢㄐㄧㄠˇㄒㄧㄥˊsānjiǎoxíng

  1. 不在一直線上線段連接起來圖形因為圖形

triangle
triangle
Dreieck (S, Math)​, Triangel (S, Math)​, dreieckig (Adj)​, trigonal (Adj)​