The mechanisms and some affect factors for chemical disposal defluorination of wet - process phosphoric acid were introduced.介绍了湿法磷酸化学法脱氟的脱氟机理和影响脱氟率的多种因素....
他也谦和的说, “ 小朋友好呀, ”" How d'you do, friend ? " he answered amiably.他― ― 那位温良谦和的人 ― ―甚至也想用随便什么,只要是不礼貌的语言,来把自己的愤慨表达出来.He even - that mild and courteous man - was inclined to express himself in anything but courteous ter...
Ouch! You trod on my toe!哎哟！你踩着我的脚指头了！Every day he trod the same path through the woods.他每天沿同一条路走过森林.She trod lightly in order not to wake the family.她脚步轻轻地走,以免惊醒家里的人们....
He is being constantly monitored with regular checks on his blood pressure.他被实时监测，定时量血压。The built-in safety device compensates for a fall in water pressure.该内置式安全装置在水压下降时能提供保护。Pressure appears to be mounting for conformi...
Such attitudes are valueless unless they reflect inner cognition and certainty.这种态度如果不能反映内心的认知和把握就毫无价值。It is a big leap in the process of cognition.这是认识过程的一次大飞跃.Double rhythms, resounding through the lyric depiction and ...