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降钙素
🗣️ 情景例句
I'm just calling to confirm your appointment tomorrow at 3:00 p.m.
我打电话确认明天下午3点你约定的时间。
I've forgotten what he said his address was.
我忘记了他说他的地址是什么。
The glasses keep their eyes safe.
眼镜可以使眼睛不受伤害。