having a role in deciding something's final forma teacher who was a formative influence on generations of students
a teacher who was a formative influence on generations of students
constructive, productive
causal, creativeconsequential, influential
nonconstructive, nonproductive, unproductive
in the 15th century
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。