Janthinite
水铀矿
🗣️ 情景例句
It leaves at 5:20.
五点二十分开。
I can see the brown wall of dust coming toward us with the wind.
风卷起褐色的墙壁似的滚滚黄沙，向这里袭来。
However, rescue operations are proving difficult.
然而，事实证明营救工作非常困难。