谢邀。先说结论,吡咯环上电子云密度要比吡啶大得多。为什么呢,乍一想貌似是很简单的道理,一个是 ,一…
to continue in a certain place or state; stay 2. (intransitive) archaic or dialectto live; dwell 3. (transitive) archaic or dialectto tolerate;