in-and-in[in-ænd-in]

adj.& adv.近亲交配

• undergo
• undergown
• undergraduate
• underground
• underground railroad
• underground railways(或subway)
• underhand
• underivative
• underlayer
• underlease
• underlet
• underlie
• underline
• underlinen
• underlit
• undermanned
• undermeaning
• undermine
• undernourished
• underpaint
• underpants
• underpay
• underplay
• underplot
• underpopulated