In heavy concentrations, ozone is irritating to the eyes, nose and throat.高浓度的臭氧会对眼睛、鼻子和咽喉有刺激作用。Large concentrations of capital were in the hands of merchants.大量资本集中在商人手里.The latest data showed that global ozone concentr...
Barium is found in some oilfield brines in concentrations greater than 100 mg / litre.在有些油田卤水中,钡的浓度大于100毫克/升.At lower concentrations they may even be stimulants of cell division.在浓度较低时,它们甚至能促进细胞分裂.Methods Three different...
The candidates are already limbering up for the election campaign.各候选人已经在为竞选运动热身了.We start by doing limbering up exercises and then go on to do the aerobics.我们先做些柔软运动灵活四肢,再做有氧运动....
她由穿着华丽制服、头戴扑粉假发的仆人们伺候着。She was attended by servants in splendid livery and powdered wigs.她戴着当时流行的扑粉假发.She wore a powdered wig, as was the fashion of the day.往出汗的鼻子上扑粉只会堵塞毛孔，使皮肤更加不舒服。Powdering a sweaty nose will only bloc...