4周搞定2000+托福核心词
熟练，精通
proficiency
常考释义
So the first thing that jumped out at the researchers when they looked at the result of the experiment was that between individuals, there were big differences in ANS proficiency.
当研究者们检查实验结果时，第一件吸引研究者注意的事是，个体之间的一个很大的区别在于ANS的熟练度。
来源于：听力OFFICIAL43 L2n. 熟练；精通
You need some proficiency in book-keeping for this job.
这份工作要求熟悉簿记。
She also acquired some proficiency in French, Italian and German.
她还通法语、意大利语和德语。
their proficiency at ice-skating
他们滑冰的熟练程度
Evidence of basic proficiency in English is part of the admission requirement.
英语基本熟练是录取条件之一。
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