如果帮助客户Swiftie扫地机器人规划关键词，以下哪一组关键词全部都可以被归类为通用词？
A: MRobot, Kovacs, Bobsweep, Li vacuum
B: robot vacuum, smart vacuum, robotic vacuum
C: Swiftie smart vacuum, how to buy Swiftie, Swiftie deals
D: 以上三项全部都是
A: MRobot, Kovacs, Bobsweep, Li vacuum
B: robot vacuum, smart vacuum, robotic vacuum
C: Swiftie smart vacuum, how to buy Swiftie, Swiftie deals
D: 以上三项全部都是
举一反三
- Which of the following is a household robot? A: A sweeper B: A surgery robot C: A robotic vacuum cleaner D: A robotic pool cleaner
- Which of the following titles best describes the passage as a whole A: The Vacuum: Its Fluctuations and Decay. B: The Vacuum: Its Creation and Instability. C: The Vacuum: A state of Absence. D: Particles That materialize in the Vacuum.
- vacuum<br/>tube ______
- The vacuum cleaner is a valuable labor-saving ______.
- The hypothetical state of drawing small molecules by software is A: Vacuum gas phase B: Atmospheric liquid phase C: Atmospheric solid phase D: Vacuum solid phase