1. 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,即胚根鞘所覆盖。

来自互联网

2. 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,即胚根鞘所覆盖。

来自互联网