petrolatum oil

例句：

1. 1. The doctor prescribed a special petrolatum ointment for her skin condition.
   医生为她的皮肤状况开了一种特殊的石油膏。
2. 2. She applied the petrolatum ointment to her wound to help it heal faster.
   她把石油膏涂在伤口上，帮助它更快地愈合。
3. 3. The petrolatum ointment was effective in treating burns and other skin injuries.
   这种石油膏对治疗烧伤和其他皮肤损伤非常有效。