roll-ups

1. Ce: can you do me one of your Bolshevik roll-ups?
    能给我一支你的土烟卷吗？

2. The results show that the roll-ups and pairing of the large-scale vortex structures are still in dominant in the two-way coupled mixing layer.
    模拟结果表明：混合层流动在考虑颗粒的反作用时大涡结构的卷起和配对仍然占支配地位；

3. He always smokes roll-ups.
    他总是抽手卷的纸烟。

roll-ups的解释

4. Dumplings and roll-ups are tasty snacks that can be prepared in about 15-20 minutes.
    水饺和春卷是美味小吃，要准备好它们只需15到20分钟左右。