可以给我一个呕吐袋吗？

You can find an airsickness bag in the seat pocket in front of you if you need one.

如果您需要的话，您前面的座背袋里有呕吐袋。

I feel like vomiting.

我想吐。

I probably am a little airsick. Some pills might be helpful.

我可能有点儿晕机了。吃点儿药可能有所帮助。

OK. I'll bring them. By the way, dinner will be served in 20 minutes. Do you want to save it for later?

好的，我会帮您把药一起送来。顺便提醒您，再过20分钟就要晩餐了。您希望晚一点儿再用餐吗？

Stewardess, I do not feel well. Please bring me some medicine for airsickness.

空姐，我有些不舒服，请给我拿一些晕机的药。