But before engineers redesign a single levee, they must consider a fundamental question: Can the Mississippi Delta be restored as a lush, hardy buffer that can absorb surges and rising seas?是什么意思_But before engineers redesign a single levee, they must consider a fundamental question: Can the Mississippi Delta be restored as a lush, hardy buffer that can absorb surges and rising seas?在线翻译_英语_读音_用法_例句