例句與造句

1. The Wolff rearrangement works well in generating ring-strained systems, where other reactions may fail.
2. Most of these can be posed for an abelian variety " A " over a number field " K "; or more generally ( for global fields or more general finitely-generated rings or fields ).
3. It's difficult to find generated ring in a sentence. 用generated ring造句挺難的