Randolph's work was exclusively concerned with the effects of pollution on health.伦道夫的著作专门论述污染对健康的影响。Today he was able to focus his message exclusively on the economy.今天他得以将主题全部集中在经济方面。Mr Marr makes extensive use of...
我蹑脚蹑手地摸索着走,极力控制着肌肉抽搐的双腿.I crept along , fighting paralysis of the calves and the thighs.紧张会增加抽搐的发生, 分心的事则会导致抽搐减少.Tension increases the movement's likelihood, and distraction reduces it.硫酸镁是预防抽搐的首选药物.Magnesium sulfat...