You got a headon board ?

你船上有洗手间吗?

U 're gonna rip your headon the halo !

你这样会损伤你的大脑的！

While you still have a headon your shoulders .

趁你还有口气.

Will you keep your headon the business at hand ?

你能不能管好手头的工作？

To investigate that , dr headon turned to a second chemical , retinoic acid .

为了进一步的研究，赫顿博士借助了一个叫做视黄酸的化学物质。