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钼钨钙矿
🗣️ 情景例句
Please accept these gifts with my thanks.
请接受这些礼物以表达我的谢意。
Who is it? Come down.
是谁？下来。
It was like stepping into a secret art museum, in which we were the only visitors.
就像是走进入了一个秘密的艺术博物馆，我们是馆内唯一的游客。