preceding：在前的，前述的 

词根词缀：pre-前,先 + -ced-行走,退让 + -ing

• quagmire
• quail
• quaint
• quake
• quakeproof
• Quaker
• qualification
• qualified
• qualify
• qualitative
• quality
• qualm
• quandary
• quango
• quantifier
• quantify
• quantitative
• quantity
• quantum
• quantum leap
• quarantine
• quark
• quarrel
• quarrelsome
• quarry