Ferrojacobsite
铁锰尖晶石
🗣️ 情景例句
You give me the money and I'll give you the goods.
你付钱，我给货。
He is playing on the merry-go-round in the park.
他正在公园里骑旋木马。
but custom, we have a way of thinking, is behaviour at its most commonplace.
至于风俗呢，只是些司空见惯的行为而已。