v. come up with (an idea, plan, explanation, theory, or principle) after a mental effort
vt. 发明, 创作, 虚构
[机] 发明
1. She wants to invent a new type of smartphone.
她想发明一种新的智能手机。
2. The scientist invented a device that can clean water.
这位科学家发明了一种可以净化水的设备。
3. Thomas Edison invented the light bulb.
托马斯·爱迪生发明了电灯泡。