n.发明者,发明家
In Tokoyo, the inventer Kawakami is showing how to use eye drop glasses.
发明家川上贤司在日本东京演示能帮助使用者滴眼药水的漏斗眼镜.
Everyone wanted to buy one of the new gadgets, and their inventer struck it rich.
大家都想买一个新的小玩意儿, 它的发明者一下发了大财.