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钼钨钙矿
🗣️ 情景例句
Learning to express oneself well in an important part of education.
学会把意思表达清楚是受教育的一个重要方面。
Yesterday was such a beautiful day we decided to go for a drive.
昨天是如此美好的一天，我们决定开车出去。
Suddenly my wife spotted a boat moored to the bank.
突然，妻子发现岸边泊着一条小船，