problematic：有疑问的，未解决的，未定的 

词根词缀：pro-前 +blem扔,抛 + -atic形容词词尾

• herd instinct
• here
• hereabouts
• hereditament
• hereditarian
• hereditary
• hereditism
• heredity
• heresy
• heretic
• heritable
• heritage
• heritor
• hermaphrodite
• hermeneutic
• hermeneutics
• Hermes
• hermetic
• hermit
• hermitage
• hernia
• hero
• heroic
• heroics
• heroin