undersurface
n. 下面
adj. 下面的
近义词：underside，bottom，
英英释义
Noun
- the lower side of anything
例句
用作名词(n.)
- He imagined the ship dangling upside down on the undersurface of the Earth, the giant fingers of gravity holding them firmly in place.他想象着飞船吊在地球下面上下晃荡，巨大的引力手指把他们紧紧地抓在这个地方。