“信物”怎么读

“信物”的英语可以翻译为：authenticating object，token，keepsake ...

请收下这枚戒指作为信物.Please have this ring for a keepsake.他毫不费力地挪动岩石, 取出信物.He had no difficulty in moving the rock, and recovered the tokens.一定要钻石对戒作为结婚信物 吗 ?Must we choose diamond ring as token of marriage?...