Marmatite
n. [矿]铁闪锌矿
🗣️ 情景例句
When he came to the States five years ago, he had only forty dollars in his pocket.
五年前他来美国时，口袋里只有40美元。
I'm dead!
死定了！
Great. Would you please let me know when you have a race?
太好了。请告诉我你们什么时候比赛，好吗？