carpometacarpus

中文含义：腕掌骨，鸟类前肢之一。

英语词性：noun

美式音标：kahr-poh-mee-tuh-kahr-puhs

同义词：trapezium bone

易混淆单词：carpal bones

双语例句：

1. The carpometacarpus is a bone found in birds that is equivalent to the human wrist.

腕掌骨是一种鸟类特有的骨骼，相当于人类的腕部结构。

2. The carpometacarpus is a major bone in the forelimb of birds, providing support for flight.

腕掌骨是鸟类前肢的主要骨骼，为飞行提供支撑。

3. The carpometacarpus of early birds, including Archaeopteryx, was not particularly robust, suggesting that they were not capable of sustained flight.

早期鸟类，包括始祖鸟在内的腕掌骨并不特别坚固，这表明它们无法进行持续的飞行。