【正确答案】If you hold the glass in the hand, you will observe that the dark red is reminiscent of blood, which justly symbols the trace of life.

【答案解析】本句中的第一个小短句没有主语，翻译时通过添加主语的方法来处理。此处可用泛指主语you，处理成条件从句：If you hold it in the hand，…。