2025-11-03 07:18:17 Both root and root cap are covered by a sheath-like structure called the coleorhiza., 根和根冠被一鞘状结构 ... 2025-11-03 07:18:09 These sorts of applications are characterized by large ...

The normal default setting for the eye is distance vision but the lens can be 'squeezed' by its controlling muscle (ciliary ...

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