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。

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Its model involves a two-mirrored system that directs sunlight down an optical rod onto a small (1 square centimeter) photovoltaic cell.

它的模型有一个双面镜像系统。该系统直接把阳光投射进一块小型(1平方厘米大小)光伏电池的光学感应棒上。

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People want to surround themselves (or their loved ones) with the things they hold dear, whether that’s their cell phone and headset or some family photos, a fishing rod, a piece of treasured jewelry.

人们想用持有的贵重之物围绕着放在自己或者心爱的人身旁,不论是手机,耳机,鱼钩还是一串珍珠。

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The drugs bind to rod-like structures inside the cell called microtubules that, like moving train tracks, help chromosomes arrange and split in two during cell division.

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