尿液是无菌的。Urine is sterile.这个盖子严实地盖在奶瓶上,保持奶嘴无菌.This top fits over the bottle and keeps the teat sterile.手术室应该是个无菌的环境.An operating theatre should be a sterile environment....
The old hunger for voyages fed at his heart.以前周游四方的渴望现在又打动了他的心.Hunger finds no fault with the cookery.饥不择食。There is hunger in many parts of the world, even in rich countries.世界上很多地方，甚至在富有的国家里，都有人忍饥挨饿。...hunger pangs.阵阵饥饿...
The police nicked me for carrying an offensive weapon.警察以携带攻击性武器为由逮捕了我。Keep quiet or we'll all get nicked.别出声，要不然我们都会被抓住的。I nicked my chin while shaving.我刮胡子时割破了下巴....