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[医][=unique patient number]罕见的病例数
🗣️ 情景例句
When you're out in the fresh air like this, it makes you hungry.
当你来外面呼吸这么新鲜的空气时， 就很容易饿。
A good winter brings a good summer.
瑞雪兆丰年。
Are you French?
你是法国人吗？