"妈妈陪我画画" 的英文表达方式是 "Mom will accompany me to draw"。

这个表达方式来自于英语中的动词 "accompany"，它的意思是 "陪伴，伴随"。例如：

"I'll accompany you to the museum." (我会陪你去博物馆。)
"Can you accompany me to the store? I need some help with the shopping." (你能陪我去商店吗？我需要帮助买东西。)

动词 "draw" 的意思是 "画画"。例如：

"I love to draw in my free time." (我喜欢在业余时间画画。)
"She's a very talented artist and she can draw anything." (她是一位很有才华的艺术家，她可以画任何东西。)