curb.stonen.(名词)A stone or row of stones that constitutes a curb.路缘石:构成路缘的一块石头或一排石头adj.(形容词)Untrained or unsophisticated; amateurish:外行的:未经训练的或没有经验的;外行的:例句:a curbstone commentator.缺乏经验的评论员