n.前肢；上肢
The doctor said the problem lied in its forelimb and it would not die. 醫(yī)生說問題在于它的前肢上，不過它不會死的。
In pterosaurs a greatly elongated fourth finger of each forelimb supported a wing-like membrane. 翼龍的每個前肢有一個延伸的很長的第四指支撐著類似翅膀的一塊膜。
前肢
