一个平面与正圆锥体的底部相交而形成的不闭合的曲线。
An open curve formed by a plane that cuts the base of a right circular cone.
她现正就这位妇女的唾液进行基因测试，以验证她是否有不同的红色锥体的基因。
She is now conducting genetic tests on the woman's saliva to verify whether she has the genes for distinct red cones.
时值南美洲南锥体的冬季，所以猪流感肆虐也便不足为奇，但其造成的影响却不尽相同。
It is winter in south America's southern cone, so it is no surprise that swine flu is rampant. But its impact is not uniform.
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