aindexapplanate./ap-luh-neyt, a-pley-neyt/US // ˈæp ləˌneɪt, æˈpleɪ neɪt //平流层,平坦的,平行线,平流层的Definitionsadj.adjective · 形容词1. Biology.›having a horizontally flattened form.Level 3More words in a →