凸形的底

【机】 bumped head

凸的英语翻译：

protruding
【医】 convexity; cyrto-; prominence; prominentia

形的英语翻译：

appear; body; compare; entity; form; look; shape
【医】 appearance; morpho-; shape

底的英语翻译：

a copy kept as a record; base; bottom; end; fundus; the truth of a matter
【医】 base; basement; bases; basi-; basio-; basis; batho-; bathy-; fimdi
floor; fundus; pavimentum; solum