Nelsonite
钛铁磷灰岩
🗣️ 情景例句
No. I really don't know how to go about it.
没有。我真不知道如何填。
What cannot be cured must be endured.
事已无法可救，只得耐心忍受。
It's been open for several years.
它建成已有好几年了。