【機(jī)】 bumped head

凸的英語翻譯：

protruding
【醫(yī)】 convexity; cyrto-; prominence; prominentia

形的英語翻譯：

appear; body; compare; entity; form; look; shape
【醫(yī)】 appearance; morpho-; shape

底的英語翻譯：

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