downcase造句

例句与造句

1. In them, Einstein proclaimed the theory of special relativity and demonstrated that matter and energy are equivalent, a relationship crystallized in the most famous equation of science : E equals mc 2 ( EDITORS : " E " is upcase, " mc " is downcase, 2 is a superscript ).
2. It's difficult to find downcase in a sentence. 用downcase造句挺难的