榆白皮 的释义 | Babel Free
y³⁵ paɪ̯³⁵ pʰi³⁵释义
榆樹的樹皮
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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