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[医][=unique patient number]罕见的病例数
🗣️ 情景例句
I've invited you here for the weekend to help celebrate.
我邀请你们到这儿来渡周末， 一起庆祝。
You had better leave right now.
现在你最好立刻回去。
I think so. But he seemed rather tired last night.
我想睡得好。但昨晚他看起来有点累。