Every year we have charity days to raise money for unfortunate people.每年我们都有慈善日来筹款帮助贫困人群。Raise one foot, curl the toes and point the foot down-wards.抬起一只脚，弯曲脚趾，使脚尖朝下。The object of the exercise is to raise money for the c...
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...
Mr Sparrow has acted with commendable speed.斯帕罗先生行动之快值得赞扬。A sparrow may be small but it has all the vital organs.麻雀虽小,五脏俱全.The sparrow crossed the lawn in a series of hops.那麻雀一蹦一跳地穿过草坪....
Think carefully before you insure against accident, sickness and redundancy.在为意外事故、疾病与失业投保之前一定要考虑清楚。Will it insure success to [ for ] you?这将保证你成功 吗 ?Check your work to insure its accuracy.检查一下你的工作,以保证它的准确性....