螺旋

名词 CEFR C2 Specialized

lu̯ɔ³⁵ ɕy̯ɛn³⁵

释义

一种像螺线及螺丝的扭纹曲线。

Españolespiral

精通
该词属于CEFR C2词汇——精通水平。

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