microphone /ˈmaikrəfəun/ n. ［c］ 扩音器，话筒： a hand microphone 手持式扩音器； a floor microphone 落地式话筒；speak at /into/through a microphone 对着/用话筒讲话
microscope /ˈmaikrəskəup/ n.［c］显微镜：a simple microscope 单筒显微镜；an electron microscope 电子显微镜；focus the microscope upon… 把显微镜焦点集中在…上；a high-powered/powerful microscope 高倍显微镜；observe under a microscope 在显微镜下观察
microwave /ˈmaikrəweiv/ n. ［c］微波：a microwave oven 微波炉；microwave height finder 微波测高器Mum has just won a microwave cooker.妈妈刚刚赢得一台微波炉。Microwaves are used in radar, in communications, and for heating in microwave ovens and in various industrial processes.微波技术用于雷达，通讯，微波炉加热以及多种工业生产过程中。
