Yttrotantalite
n. [礦]釔鈮鉭鐵礦
??? 情景例句
They are indifferent to politics.
他們對政治漠不關心。
$19.00 a day or $129.00 a week, unlimited mileage.
一天19美元，一周129美元，不計車程。
People are not so honest as they once were.
人們不再像以前那樣誠實了。