Stijfziekte
[医] 牛磷缺乏病
🗣️ 情景例句
I haven't got anything to do now; I'm so bored.
我现在无事可做，感觉很无聊。
Last month was December,wasn't it ?
上个月是十二月，对不对？
But I didn't see much during the flight because there was too much cloud.
但我在飞行途中并没有看到什么东西，因为云层很厚。