详细解释:n. 专家, 行家
a. 老练的, 内行的, 专门的
【计】 高级
【化】 能手
词型变化：
名词:expertness副词:expertly英语解释：
名词 expert:
a person with special knowledge or ability who performs skillfully形容词 expert:
having or showing knowledge and skill and aptitude同义词：adept, good, practiced, proficient, skillful, skilful