Oligonite
[化] 菱锰铁矿
🗣️ 情景例句
Never go swimming on a full stomach.
吃饱饭后不要游泳。
I guess he's about 30.
我猜他大概30岁。
How much cloth does it take to make a skirt for the girl?
女孩做一条裙子要用多少布？