plantigrade：脚掌着地行走的，跖行动物

来自拉丁语planta,脚底板，脚掌，grade,行走，步伐。

• mellifluous
• mellow
• melodic
• melodica
• melodious
• melodist
• melodrama
• melodramatic
• melodramatics
• melody
• melon
• melt
• meltdown
• melted
• melting
• member
• membership
• membrane
• membranous
• meme
• memento
• memento mori
• memo
• memo-
• memoir