I let Roborock's first self-cleaning roller mop vacuum clean my hardwood floors, and it delivered
Qrevo Curv 2 Flow 是 Roborock 首次涉足自清洁滚筒拖把领域，它近乎完美。几乎。
The surprising new physics of squeaky basketball shoes
一项新研究解释了为什么篮球鞋在与硬木摩擦时会发出尖锐的吱吱声。鞋底的脊线是关键
