as firm as a rock是什么意思？

• vehicle
• cheese
• 权限英文
• 导师英文
• 参与者英文
• narrow
• ticket
• maths
• theatre
• searches
• organizations
• 长颈鹿英语怎么说
• 实施英文
• tourist
• fiercely
• scared
• neck
• fake
• chess翻译
• 抛弃英文
• giraffe
• committing
• conflict
• passage
• sweater
• prompt
• 呼吁英语
• failure
• 局外人英文
• lycopene

• lesson
• peeping
• 流浪者英文
• begins
• searches
• explore
• predict
• 确认英文
• banger
• various
• brat
• 旋律的英文
• permitted
• default
• repeat
• monitor
• general
• profile
• supper
• toxicity
• pear
• crayon
• 缺陷英文
• approaches
• 纪念品英语
• 参数英文
• candy
• disappointed
• modernize
• saturday

• dimethylbenzidine
• dimethylbenzoyl
• dimethylbutane
• dimethylchlorosilane
• dimethyldiguanide
• dimethylene
• dimethyleneimine
• dimethylethanolamine
• dimethylglyoxime
• dimethylguanidine
• dimethylhexane
• dimethylhydrazine
• dimethylinositol
• dimethylketazine
• dimethylmethane
• dimethylnornarcotine
• dimethylphenanthrene
• dimethylphenol
• dimethylphthalate
• dimethylpolysiloxane
• dimethylsilane
• dimethylthiambutene
• dimeticone
• dimetilan
• dimetindene
• dimetofrine