Application of samarium diiodide in mediating intramolecular cyclization reactions was reviewed.综述了二碘化钐在分子内环化反应中的应用.Sodium ethylate was used as catalyst in Baker - Venkataraman of cyclization, and all factors were studie...
As a player he was unselfish, a true team man.作为一名选手，他毫无私念，真正把自己摆在团队中。But as with other charitable bodies, these figures mask the true picture.但和其他慈善机构一样，这些数字掩盖了实情。Too much salt masks the true flavour of the food.太多的盐会盖住...
Would you mind awfully waiting a bit, I'll be back right away.不介意稍微等一会儿吧，我马上就回来。The caramel looks awfully good.黄油奶糖看上去非常好吃。These scissors are awfully heavy.这把剪刀太沉了。...