Solid: Drws , Bwrdd, ipad, metel, celig, rwber, papur, ia , fraichled, arian , concrete, car, Nwy: oxygen, hydrogen, nitrogen , carbon Monoxide, carbon dioxide , Hylif: inc, diod , dwr , llaeth, fairy liquid, glaw, mor, fuel, sydd , bleach,

Gwyddoniaeth - Solif Hylif a Nwy

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？