Precalciferol
[化] 前钙化醇
🗣️ 情景例句
Do you have anything that must be claimed?
难道你没需要申报的东西吗？
What does she mean by canceling her performance?
她取消自己的演出是什么意思？
One packing case was crushed.
有一个箱子全压坏了。