專心 的释义 | Babel Free
ʈ͡ʂu̯än⁵⁵ ɕin⁵⁵释义
專一心思，集中心力
CEFR 等级
C2
精通
该词属于CEFR C2词汇——精通水平。
该词属于CEFR C2词汇——精通水平。
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