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n. [矿]水硅钾铀矿
🗣️ 情景例句
How long will it take for my mail to reach its destination?
我的信件到达目的地要多久？
She's been a bit under the weather recently.
她近来身体不太好。
But the historian attempting to reconstruct the distant past is always faced with a difficult task.
但是，历史学家企图重现遥远的过去可是一项艰巨的任务，