She took someone else's book in mistake for her own.她把别人的书错当成自己的书拿走了.In a way, I'm glad you made that mistake, for it will serve as a warning to you.在某种程度上说, 你犯那个错误我 倒 感到高兴, 因为它可以对你敲警钟.In that city there is neu...
Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.以单质碘为催化剂合成了环戊酮乙二缩酮.The blended chips containing 10 % ~65 % of n - Eicosane were fabricated with n - Eicosane, polyethylene ( PE ) and ethylene - propyl...