Unitane
二氧化钛
🗣️ 情景例句
It's called
它的题目是
Rising volcanic ashes
升起的火山灰
It caused devastation by burrowing and by devouring the herbage which might have maintained millions of sheep and cattle.
它们在地下打洞，吃掉本可以饲养数百万头牛羊的牧草，给澳洲大陆造成了毁灭性的破环。