ersatz[ɛəˈzɑ:tz]

（德语）adj. 人造的，合成的

• undergo
• undergraduate
• underground
• undergrowth
• underhand
• underhung
• underlay
• underlie
• underline
• underling
• undermanned
• undermentioned
• undermine
• underneath
• undernourished
• underpants
• underpass
• underpay
• underpin
• underpopulated
• underprivileged
• underproduction
• underquote
• underrate
• underscore