例句與造句

1. "' Meta-Selective Borylation "': Meta-Selective C H borylation is an important synthetic transformation, which was discovered in 2002 by Smith III from Michigan State University, USA . However, this meta borylation was completely sterically directed and was limitted to only 1, 3-disubstituted benzenes.
2. It's difficult to find synthetic transformation in a sentence. 用synthetic transformation造句挺難的