hélix
Definições
A curve on the surface of a cylinder or cone such that its angle to a plane perpendicular to the axis is constant; the three-dimensional curve seen in a screw or a spiral staircase.
Equivalentes
Nível QECR
B1
Intermediário
Esta palavra faz parte do vocabulário QECR B1 — nível intermediário.
Esta palavra faz parte do vocabulário QECR B1 — nível intermediário.
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