high degree of professional proficiency的意思|示意
美 / /
英 / /
学问技艺精湛
high degree of professional proficiency的网络常见释义
炉火纯青 ...炉火纯青 the stove fire is pure blue -- perfection in sth.; come to a head; got exactly the results desired; high degree of professional proficiency; make a masterly application of ..