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[医]一种氧化铁制剂，静脉注射用于严重感染
🗣️ 情景例句
What's the difference? No one will ever find out.
有什么两样？没有人会发现。
He's a student.
他是学生。
She knew she was near the shore because the light was high up on the cliffs.
知道自己已经接近岸边了，因为那灯光是在高高的峭壁上。