现在人们开始意识到必须采取断然的行动。Now there is a dawning realisation that drastic action is necessary.她意识到自己趾高气扬的步伐已变成了拖着脚走路了。She noticed her own proud walk had become a shuffle.当我意识到自己的所作所为时，我吓坏了。I was scared stiff when I realized wha...
The carbene also reacts with alcohols.碳烯也可与醇反应.New , sterically demanding 1, 3 - dialkylimidazolinium salts used as N - heterocyclic carbene precursors were synthesized and characterized.合成并表征了一种新型的有空间需求的N - 杂环卡宾前驱体1, 3-...