Metarhyolite
變流紋巖; 準流紋巖
??? 情景例句
Keep your fingers crossed.
希望你一切盡如人意。
If you trust before you try,you may repent before you die.
不經考驗就依賴，不到瞑目便的悔。
It's none of your business.
關你屁事！