如何翻译：【史前饰品的种类较多】，有【耳坠、项链、手镯、戒指】等等，【装饰的部位】由【头、颈至全身】，甚至【延至足部】，头部和手臂是【重点装饰部位】。

史前饰品的种类较多，包括耳坠、项链、手镯、戒指等，装饰的部位从头部、颈部至全身，甚至延至足部，其中头部和手臂是重点装饰部位。翻译为英文如下：

Prehistoric ornaments come in a variety of types, including earrings, necklaces, bracelets, and rings, etc., adorning parts of the body from the head and neck to the entire body, and even extending to the feet, with the head and arms being the focal points of decoration.