“成珍珠状”可以翻译为“in a pearl-like(或 pearl-shaped) formation/pattern” ,具体使用可根据语境调整。例如:
The drops of water hung on the leaves in a pearl-like formation.(树叶上挂着的水珠呈珍珠状。)
The beads were arranged in a pearl-shaped pattern on the necklace.(项链上的珠子排列成珍珠状图案 。)