foremost ·adjective
Definition: most important Level: C2
他是该国军事法领域最重要的专家之一。
He's one of the country's ___foremost experts on military law.
在《蝇王》的开头，我们了解到其中一个主要角色，他最重要的特征是他“与其他男孩不同”。
At the beginning of Lord of the Flies, we find out about one of the main characters, whose ___foremost feature is that he is "different from the other boys".
她是古代史领域最重要的权威。
She is the ___foremost authority on ancient history.