初生的

The eggshells crackled, and the turkey babies fluttered and cheeped and snuggled against me.

蛋壳裂开了，的火鸡拍动着翅膀，卿卿地叫着，偎依着我。

Protoxylem The PRIMARY XYLEM elements that are formed from the procambium first.

质部的成分，最早由原成层成。

The cross section morphology and skin-core structure of PAN fiber in wet-spinning are analyzed by the means of electron probe microanalyser (EPMA) and scanning electron microscope (SEM).

结果明凝固浴温度会影响纤维的横截与芯部结构。