sunny：阳光充足的，晴朗的；乐观的，快乐的

词根词缀：sun太阳(n双写) + -y形容词词尾

• regardless
• regatta
• regency
• regenerate
• regenerative
• regent
• reggae
• regicide
• regime
• regimen
• regiment
• normally
• Norman
• Norse
• north
• northbound
• northern
• Norway
• nose
• nosebag
• nose cone
• nosedive
• nosegay
• nosh
• nosh-up