under作为前缀时,under的意思:
under- 表示 “ 在 … 下 ” 。
underground地下的(under+ground地)
underwrite在…下面写(under+write写)
underline划线于…下(under+line线,在字底下划线,引申为强调)
undersea在海底(under+sea海)
undermine破坏,损坏(under+mine挖→挖墙角)
underling下属(under+ling小人物→下属)
underclothing内衣裤(under+clothing衣服)
underwear内衣(under+wear穿衣服)。