This is the 8565th most frequent Chinese word.
thinkpad
"ThinkPad" is not a Chinese word; it is a brand name for Lenovo's line of laptops.
ThinkPad is used as a specific brand name of a laptop in this context.
我的新笔记本电脑是一台ThinkPad。
My new laptop is a ThinkPad.
ThinkPad is being referred to as an option during a discussion about purchasing laptops.
你有没有想过买一台ThinkPad？
Have you ever considered buying a ThinkPad?
ThinkPad here is used to discuss the user's experience and impression of the device.