witnesson Basic wordsalso onCEFR Upper intermediate (B2)? 作证,作证人,成为证据,证明, 目击者,见证人 witness witness(verb) 作证,作证人,成为证据,证明 witnessed witnessed(verb) 作证(witness的过去式和过去分词) witnesses witnesses(noun) 目击者(witness的名词复数),见证人 witnessing witnessing(verb) 作证(witness的现在分词) witness witness(noun) 目击者,见证人 Forms verbnoun witness witnesses witnessed witness witnessing