"妈妈" means "mother" in Engpsh. So you can say "mom" or "mother" to refer to your mother in Engpsh. 例如：

"Mom, can you help me with my homework?" (妈妈，你能帮我做作业吗？)

"I need to talk to my mother about something important." (我需要和妈妈谈谈重要的事情。)