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蜗牛壳呈螺旋形。
A snail's shell is spiral in form.
《牛津词典》
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大多数螺旋形的蜗牛主要是右旋的。
Most spiral-shaped snail species are predominantly dextral.
youdao
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蜗牛的外壳形状是螺旋形的。
A snails shell is spiral in form.
youdao
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蜗牛壳是螺旋形的。
A snail's shell is spiral.
youdao
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蜗牛壳是螺旋形的。
A snail's shell is spiral.
youdao