专利使用费让这位发明家得以再次立足于商界。The royalties enabled the inventor to re-establish himself in business.试试这一种新的专利药品吧.Try some of this new patent medicine.这项专利期限为三年.The patent runs out in three years'time....
Men of feeling may at any moment be killed outright by the iniquitous and the callous.多愁善感的人会立即被罪恶的人和无情的人彻底消灭.Her callous attitude repels me.她冷酷无情的态度引起我的反感....his callous disregard for human life.他对人命的漠视...his callous in...