用法:
1 (with proper ns formingns and adjs 与专有名词结合构成名词和形容词):
Bostonian *
Brazilian *
Shakespearian *
Libran.

用法:
2 (with ns ending in -ics forming ns 与-ics结尾的名词结合构成名词) specialist in 专长於...:
optician *
paediatrician.

• defame
• default 1
• defaulter
• defeat 1
• defeatism
• defeatist
• defecate
• defecation
• defect 1
• defection
• defective
• defectively
• defectiveness
• defector
• defenceless
• defencelessly
• defencelessness
• defence (US defense)
• defend
• defendant
• defender
• defensible
• defensive 1
• defensively
• defensiveness