When a rod is about to sporulate a tiny refractile granule appears in the cell.
当一个杆菌即将形成芽孢时，细胞内便出现一粒带折射性的微小颗粒。
Elastic fibers usually occur as individual, refractile, branching, and anastomosing fibers.
弹性纤维通常是单独的，折光的，分枝的及吻合的纤维。
Elastic fibers usually occur as individual, refractile, branching, and anastomosing fibers.
弹性纤维通常是单独的，折光的，分枝的及吻合的纤维。
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