grey matter片语KK [gre ˋmætɚ] /ɡɹeɪ ˈmætɚ/发音片语1灰质、灰白质解剖The scan showed a loss of grey matter in that region of the brain.扫描显示该脑区的灰质有所减少。2头脑、脑力、智力口语This puzzle will really make you use your grey matter.这道谜题会让你好好动一动脑子。用这个字练口说→