英语语法分析

In pterosaurs a greatly elongated fourth finger of each forelimb supported a wing-like membrane.

翼龙的每个前肢都有一根长长的第四指，支撑着像翅膀一样的膜。

The doctor said the problem lied in its forelimb and it would not die.

医生说问题在于它的前肢上，不过它不会死的。

It had asymmetric flight feathers not only on the forelimb, but on the hindlimb as well.

它已非对称飞羽不仅对前肢，但对后肢以及。