proficiency

熟练，精通英释nna good standard of ability and skill

1 proficiency in,熟练；精通

2 english proficiency,英语水平；英文能力

3 proficiency test,水平测试；熟练测验

4 proficiency testing,能力验证；技术检查；熟练测试

1 a high level of proficiency in English.精通英语

2 Nick’s proficiency with computers is well known..尼克对电脑很在行是出了名的。