The engine keeps backfiring all the time.发动机老是回火.The EPA's rules about what constitutes hazardous waste are backfiring against the nationwide recycling effort.环保署关于有害物质的法规同全国资源回收的工作正好唱反调.A sudden report rang out -- ...
Receding gums can be the result of disease or simply incorrect brushing.牙龈萎缩可能是疾病导致的，也可能仅仅是错误的刷牙方式引起的。Thoroughly brush teeth and gums twice daily.每天两次彻底刷净牙齿和牙龈.A bad tooth may cause an abscess on the gums.一颗病牙可使牙床脓肿....
He could not dislodge the images imprinted on his brain.他难以把刻在脑海中的形象抹去。The thorn of bone may dislodge from his throat without surgery.也许不用动手术就能去除他喉咙卡着的那块骨刺.He may challenge the Prime Minister even if he decides he cannot...
The little boy is holding a kitten with one of a forepaw.小男孩正用一只手握着小猫的一只前爪.Kittens week to cut a nail, especially the forepaw.每周给小猫剪一次指甲, 特别是前爪.Asas it does , one swipe from the bear's powerful forepaw will the seal...