词汇	hard and smooth
释义	hard and smooth 🌏又硬又光滑
随便看	central axis depth dose date central axis depth-dose date central axis dose central axis ionization measurement Central axis of ancientcapital central axis of inertia central axis of urban planning central axis plane central-axis structure Central backward areas central baffle central ballast control station central ballet Central Ballet central band central band filter central bank central-bank central bank balance sheet central bank bilateral repurchase agreement central bank bill central bank bills Central Bank Chairman central bank credit control central banker