单词	bitingness
释义	同biting
随便看	background terminal background text background tile background track background value of soil element background vapor pressure background vapo(u)r pressure background variable background vibration level background video background visibility background voltage noise background-- x-ray background， beta background， continuous background， cosmic-ray background， diffuse background， diffuse scattering background， gamma background， instrument background， natural radioactivity background， neutron background， noise background， radiation background， radioactive