Ramsayite
褐硅鈉鈦礦
??? 情景例句
There just wasn't enough time.
實在是沒有足夠的時間。
What a coincidence!
真巧！
They may also have used wood and skins, but these have rotted away.
他們也可能用過木頭和獸皮，但這類東西早已腐爛殆盡。