Ferrohydrite
褐铁矿
🗣️ 情景例句
Sure.
当然。
How much do you know about the works of Henry Wadsworth Longfellow?
你对亨利·朗费罗的工作知道多少？
He told me to unpack my things and then come down to dinner.
他让我打开行装后下楼吃饭。