He used to be a dunce at school.他上学时曾是个笨学生.Michael may have been a dunce at mathematics, but he was gifted at languages.迈克尔在数学上可能不太灵光，但在语言方面很有天赋。I was a dunce at chemistry.我在化学方面是个劣等生....
The question baffled me completely and I couldn't answer it.这个问题把我彻底难倒了,我答不出来.Medical authorities were baffled, both as to its causes and its virulence.医疗当局对其病因及有多致命都还不甚了解。I confess it's got me baffled...我承认这把我...
用于快速测定原棉回潮率.Used f testing the regain percentage raw cotton quickly.对于粮食来说, 保守的看法或许正在回潮.On grain , however, conservative thinking is now back in vogue.棉纤维的摩擦力随回潮率的增加而增加.The friction of cotton increases with increasing re...