There's more than a grain of truth in that.其中含有很深刻的道理。Our observations may contain a grain of truth for you to refer to.我们的意见也许会有千虑一得之处,供你参考.There isn't a grain of truth in what he said.他说的全不是真话....
以单质碘为催化剂合成了环戊酮乙二缩酮.Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.传统的缩酮化、酯化反应工业上多采用浓硫酸作催化剂.Traditional ketalization and esterification reactions are usually catalyzed by concentrated acid in industr...
They would have to offer cast-iron guarantees to invest in long-term projects.他们需提供绝对可靠的担保,才能投资长期项目。Business is booming and foreigners are scrambling to invest.商业繁荣,外国人争相投资。She wanted to set up her own company to invest ...