mastery

名词 mastery:

1. great skillfulness and knowledge of some subject or activity
   同义词：command, control
2. power to dominate or defeat
   同义词：domination, supremacy
3. the act of mastering or subordinating someone
   同义词：subordination

1. Her mastery of economic theory impressed the professors.
   她对经济的精通给教授们留下了深刻的印象
2. He demonstrated a mastery of Arabic.
   他显示了对阿拉伯语的精通。
3. Which side will get the mastery?
   哪一方将获得控制权？

mas.ter.y

n.（名词）
【复数】 mas.ter.ies
Possession of consummate skill.
优势：熟练技艺的拥有
The status of master or ruler; control:
统治；控制：
例句：
mastery of the seas.
对海域的统治

Full command of a subject of study:
对一技艺的完全精通：
例句：
Her mastery of economic theory impressed the professors.
她对经济的精通给教授们留下了深刻的印象