I think that is a wrong approach both from the WordPress standards and the SEO point of view. Kindly consider using the standard translation technique mentioned here:
If you have a strong reason for your request, then here how you would do that:
Kindly add the code below to X > Launch > Options > JS:
jQuery('.archive .entry-wrap .more-link').text('Lees verder');
I tried to guess what would
Read More would be called in Dutch but you are welcomed to change it in the code to whatever suite your needs.