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1·The codicil must first be signed and dated by you in the presence of two witnesses.

该遗嘱附件必须首先由你当着两个连署人的面签名并写上日期。《柯林斯英汉双解大词典》

2·This codicil contains numerous, and vitamins.

这包含了许多补充，和维生素。

3·And Quentin added one personal codicil to the group oath.

昆廷在团体誓言的后面加了一份个人附录。

4·This codicil also contains other nutrients some are as follows.

这个补充也包含其他营养物质，有些是如下。