ceremonial object 仪式所用的物品
They made baskets three feet in diameter and others no bigger than a thimble.
others = other baskets
定语从句省略that are
他们制作了直径达三英尺的篮子和针一般小巧的篮子。
foot, feet英尺 inch英寸
Others depended primarily on coiling — a process in which a continuous coil of stiff material is held in the desired shape with tight wrapping of flexible strands.
Others = other groups
which = process = coiling
in which = in the process
其他部落主要依靠缠绕 — 在这个过程中，一整圈坚硬的材料被固定成人们想要的形状，用灵活的线紧紧裹着。
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