Fluoprotactinate
氟镤酸盐
🗣️ 情景例句
My father is an engineer of a construction company, and mother is a doctor.
我父亲是一家建筑公司的工程师，母亲是一名医生。
I often go to the office in the morning.
我常常在早上去办公室。
Thirteen.
13岁。