Coleorhiza ( pl . coleorhizae ) The protective sheath surrounding the radicle in grasses.胚根鞘:保护幼根的鞘状结构.Conclusion Saber sheath trachea is a sign of rather severe COPD.结论剑鞘气管是较重的copd的标志.Coleoptile A sheath like structure ...
Alastair has a bad back so we have a hard bed.阿拉斯泰尔背部有毛病，所以我们睡硬板床。Alastair: I went to a piano recital yesterday evening.阿拉斯泰: 我昨晚去听钢琴独奏.Alastair: A new, young pianist from the Czech Republic called Irina Dubcek.阿拉斯泰: 是个刚...