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钼钨钙矿
🗣️ 情景例句
The minister has indicated that he may resign next year.
该大臣已经示意他明年可能会辞职。
One woe doth tread upon another's heels.
祸不单行。
It was the first joy I had known for years.
我豁然开朗了。这是我多年来第一次感到高兴的事了。