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

• excrete
• excruciating
• exculpate
• excurse
• excursion
• excursionist
• excursive
• excuse
• exeat
• execrable
• execute
• execution
• executioner
• executive
• executor
• exegesis
• exemplar
• exemplary
• exemplify
• exempt
• exemptible
• exemption
• exercise
• exert
• exertion