Meteoritics
n. 陨星学, 流星学
🗣️ 情景例句
Did you forget something?
你是否忘了什么东西吗？
I often have breakfast in the morning.
我常常在早上吃早餐。
We're going to substitute a better item for number 3.
我们将以品质较好的来代替三号产品。