faculative是什么意思？

• tomato
• narrow
• rice
• maths
• failure
• passage
• prompt
• bothering
• 局外人英文
• 实施英文
• ultra
• 纪念品英语
• repeat
• sweater
• 确认英文
• various
• 参数英文
• polite
• explore
• erased
• giraffe
• general
• neck
• searches
• intermission
• ticket
• disappointed
• PEGGING
• peeping
• committing

• organizations
• conflict
• general
• 领域英语
• cheese
• tourist
• crayon
• volume
• candy
• saturday
• giraffe
• 来源英语
• banger
• 解决方案英文
• modernize
• fake
• supper
• aspect
• theatre
• lycopene
• profile
• pear
• predict
• cloud
• 流浪者英文
• toxicity
• amazing
• emergency
• 抛弃英文
• brat

• between centers
• brace up
• balista
• make a firm decision
• RossSquawk
• dependent variate
• aeciospore
• hatchelled
• common reserve funds
• laugh secretly
• ilka
• sympectothiene
• lift truck
• begin talking about
• sforzato
• susceptor
• stupidities
• Take the lead
• malonic acid
• medullocel
• sabering