Ferruginosity
含鐵性
??? 情景例句
we would go down to the beach and catch crabs,
我們走到海邊抓螃蟹，
He's an American.
他是美國人。
You'd better hurry and buy a ticket then. It'll be very popular.
那你最好趕緊買張票吧！他的音樂會是很受歡迎的。