Beneficiation
n. 选矿；[冶] 富集
🗣️ 情景例句
What time would you like to receive the call?
您想何时叫您？
Where is the boarding gate for this flight?
这班飞机的登机门在哪儿？
I feel I am the happiest person in the world.
我觉得自己是世界上最幸福的人了。