Tetradymite
n. [矿]辉碲铋矿
🗣️ 情景例句
And it hung over Robbie's crib.
Robbie的小床也有过。
Unfortunately, powerful companies to the most damage.
不幸的是，庞大的公司几乎都在制造公害。
has spent his lifetime studying active volcanoes and deep caves in all parts of the world.
花了毕生的精力来研究世界各地的活火山和探洞。