engage in speculation是什么意思？

• PEGGING
• searches
• giraffe
• crayon
• 队长的英文
• autumn
• polite
• BARRIE
• mind
• 纪念品英语
• 确认英文
• lycopene
• satisfaction
• failure
• 抛弃英文
• panicked
• client
• neck
• text
• droplets
• tomato
• 参数英文
• 来源英语
• profile
• 参与者英文
• ultra
• explore
• 旋律的英文
• brat
• passage

• committing
• passage
• emergency
• 缺陷英文
• general
• silver
• disappointed
• 分配英文
• scared
• bombarded
• 流浪者英文
• begins
• ticket
• sweater
• 局外人英文
• 造型的英文
• volume
• juice
• cheese
• reveal
• 实施英文
• tourist
• amazing
• intermission
• various
• 方案英语
• dragon
• PAXLOVID怎么读
• searches
• aspect

• speed up
• spell out
• spinal cord
• split up
• spread out
• spring up
• stand by
• stand for
• stand out
• stand up
• status quo
• stave off
• stay put
• stay up
• stem from
• step by step
• step down
• step up
• stick out
• stick to
• stick with
• stir up
• straighten out
• strep throat
• stretch out
• strike out
• string up
• subject matter
• subject to
• subscribe to