he·li·cal /ˈhɛlɪkəl, ˈhi-/
(a.)螺旋狀的
he·li·cal /ˈhɛlɪkəl, ˈhɪlɪ-/ 形容詞
螺旋狀的,螺旋的,螺旋狀
helical
螺旋形
helical
螺旋
Hel·i·cal a. Of or pertaining to, or in the form of, a helix; spiral; as, a helical staircase; a helical spring. -- Hel*i*cal*ly, adv.
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helical
adj : in the shape of a coil [syn: coiling, spiral, spiraling,
volute, voluted, whorled, turbinate]