单词	boron powder
释义	boron powder 硼粉
随便看	mean left atrial pressure mean left ventricular pressure meanleft ventricular systolicpressure mean left ventricular systolic pressure mean length mean length diameter mean length of a generation mean length of generation mean length of life mean length of response mean length of turn mean length of utterance mean length per turn mean lesion compliance meanless mean lethal dose mean lethal temperature mean level mean-level AGC mean level detection system Mean Level Detector mean level of earth's surface mean level of the sea meanley mean life