副词

1.有学问的,博学的，知识渊博的

2.为学者的，学术性的，学问精深的

3./`lə:nd/通过训练（或经历）形成的，学到的，非天生的

词形变化

英语解释

established by conditioning or learning

highly educated; having extensive information or understanding

acquired by learning

having or showing profound knowledge