叠锥（cone in cone）是指岩层面上出现的一种锥形凹陷，锥高常约1～10厘米。
该“锥状菌层”的外形特征与叠锥极为相似，但它不属于成岩作用的产物，也不是沉积构造特征。
The cone bacteria bed resembles cone-incone in morphology, but it is neither product of diagenesis nor sedimentary structure.
最近一个周一的晚班课程结束后，5岁的臧思琪（音）冲向她的妈妈，急不可待地让她看自己用纸叠的一枚白色火箭，火箭头锥部分贴着白雪公主的贴纸。
After a recent Monday-evening class, five-year-old Zang Siqi rushes toward her mother, eager to show off a white rocket she has made out of paper, a Snow White sticker in its nose cone.
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