inventionn.发明;虚构;发明物
invention capital asserts生产方法专利权
Invention of the seed drill播种机的发明
invention covered by a patent受专利保护的发明
Invention of Smoke Pipe Welder烟管切焊机的研制
Inventions from the Sacred Harpint.咄(表示犹豫、不快或轻蔑等)
invention of artificial diamond人造金刚石的发明