n.前肢；上肢
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。
In pterosaurs a greatly elongated fourth finger of each forelimb supported a wing-like membrane. 翼龙的每个前肢有一个延伸的很长的第四指支撑着类似翅膀的一块膜。
前肢
