1. It takes years to gain a mastery of Japanese.
    掌握日语要花几年时间。

2. He has acquired mastery of French.
    他已掌握了法语。

3. She appealed to his mastery for help in solving her problem.
    她请求他运用他的知识去解决她的问题。

4. The team gained mastery over its opponent.
    该队胜了对手。

1. 精熟：传统的测验需要有相当的长度2.2应用试题应答理论(IRT)之适性测验2.3应用连续机率比例检定模式(SPRT)之适性测验当 Hm假设成立时,即表示达到精熟(mastery)的标准,反之, Hnm假设成立时,表示未达到精熟(nonmastery)的标准.

2. 控制：控制(Mastery)系统、社团(combo)系统,决斗&英雄系统 控制(Mastery)系统第一项任务 .条件 : 转职的等级220级以上人物,300万钱币 .对象 : 骑士,魔导师,圣射手 .奖励 :

1. 精通;掌握
    If you show mastery of a particular skill or language, you show that you have learned or understood it completely and have no difficulty using it.

    e.g. He doesn''t have mastery of the basic rules of grammar...
           他还没有完全掌握基本的语法规则。
    e.g. He demonstrated his mastery of political manoeuvring.
           他表现出了高超的政治手段。

2. 统治;控制
    Mastery is power or control over something.

    e.g. Mesopotamia was probably the first region of the world where humans gained mastery over major rivers.
           美索不达米亚地区可能是世界上人类最早征服主干河流的地区。

1. the act of mastering or subordinating someone

    Synonym: subordination

2. great skillfulness and knowledge of some subject or activity

    e.g. a good command of French

    Synonym: commandcontrol

3. power to dominate or defeat

    e.g. mastery of the seas

    Synonym: dominationsupremacy