Koechlinite
钼铋矿
🗣️ 情景例句
How's your English coming along?
你英语学得怎样了？
Wendy, I'd like you to meet my brother Sam.
温迪，我来向你介绍一下我的兄弟萨姆。
I'm planning to start a school, so I'm trying to save as much money as possible.
我计划开办一所学校，因此我在设法尽可能地多攒钱。