bivalence是什么意思？

• autumn
• lesson
• dragon
• saturday
• 缺陷英文
• scared
• default
• bombarded
• peeping
• 实施英文
• 领域英语
• disappointed
• silver
• explore
• aspect
• modernize
• toxicity
• reveal
• text
• cloud
• theatre
• satisfaction
• sweater
• organizations
• mind
• begins
• intermission
• pear
• droplets
• 流浪者英文

• lake
• repeat
• lycopene
• 队长的英文
• prompt
• conflict
• juice
• amazing
• tomato
• 造型的英文
• 确认英文
• 参数英文
• failure
• permitted
• firmness
• 导师英文
• narrow
• bothering
• searches
• giraffe
• BARRIE
• monitor
• passage
• client
• 抛弃英文
• 权限英文
• banger
• profile
• vehicle
• various

• transister
• penniless
• unbreakable
• hear of
• hundreds of
• too to
• agree to do sth
• agree with sb
• depend against
• dozens of
• go on doing
• go on with
• keep doing sth
• make up of
• manage to do
• pack sth up
• persuade sb to do
• remind of
• scores of
• stare at
• stop doing sth
• stop to do sth
• used to doing sth