They're helping me cook... pizza rolls.

他们在帮我做. . .披萨卷。

So what these cells can also do is help the water roll off the surface of a petal and change how the nectar is sort of held within the flower.

因此，这些细胞还可以做的是帮助水从花瓣表面滚落，并改变花蜜在花中的保存方式。

He stood up on the wall to cut the notches, and Ma helped roll and hold the log while he settled it where it should be to make the corner perfectly square.

他站在墙上切割槽口，马帮助滚动并握住原木， 同时将其固定在应该使角落完全呈方形的位置。