壁壘 的释义 | Babel Free
pi⁵¹ leɪ̯²¹⁴⁻²¹⁽⁴⁾释义
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城牆；堡壘 literary
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障礙物 figuratively
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界線；劃線 figuratively
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軍營；陣營 figuratively
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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