When not removed, plaque causes tooth decay and gum disease.牙斑如果不清除就会导致牙齿蛀蚀和牙龈疾病。There are problems of urban decay and gang violence.存在城市衰败和帮派暴力的问题。The phosphate was deposited by the decay of marine microorganisms.海洋微生物腐...
Some utensils were in a state of decay when they were unearthed.有些器皿在出土时已经残破.The house is in decay.这栋房子已经坏了。There are problems of urban decay and gang violence.存在城市衰败和帮派暴力的问题。Our powers decay in old age.我们的体力在老年时就衰退。...d...
She was tutored at home during her illness.在生病期间,她在家接受私人教师的辅导.She was tutored at home during her long illness.她长期生病期间有人在家辅导她.I tutored in economics.我教经济学。...at the college where I tutored a two-day Introduction to Chairm...
卡梅伦再度陷于沉默.Cameron had relapsed into silence again.和马特,卡梅伦一起工作感觉 怎么样 ?What's it like working with Matt Cameron , your costar?卡梅伦·克拉克给我们的事业造成了很大的损害.Cameron Clarke has done our cause a lot of harm....
Cu furaldehyde - diamine Schiff base complex was synthesized with the yield of 63.合成了一种席夫碱金属络合物——呋喃甲醛乙二胺铜络合物,收率为63.HEDTA ( N - hydroxyethyl ethylene diamine triacetic acid )N - 羟乙基乙二胺三醋酸 ( 有机螯合剂 )Dialysis and ethylene di...