单词	d horizon
释义	d horizon d层
随便看	regular hexagon regular hexagon columnar ice crystal regular hexagons regular hexagon thin plate regular hexahedron regular hexahedron group regular hexahedrons Regular HFI Algebra regular higher education regular higher educational institutions regular higher institution regular higher learning institutions regular high school regular highway reconnaissance Regular History Frequency regular holiday regular holidays regular holohedral class regular holohedry regular homotopy class regular hotbed of it lately Regular hotbed of it lately regular hours regular h-semigroups Regular human insulin