n (1)脉搏 (regular beating of the heart as felt in a blood vessel) [C， 通常sing]： have a low/a regular/a strong/a weak～脉搏慢/规则/有力/微弱;feel/take sb's～给某人诊脉;His～raced. 他的脉搏跳得很快。a～beat 一次脉搏跳动;measure sb's～rate 测量某人的心跳次数;〖同〗beat;

(2)拍子，鼓点(strong regular beat in music or on a drum) [C]： the～of the drums 有节奏的鼓声;〖同〗beat;

(3)(声音、光、电流等的)脉冲(动) (vibration of sound， light， electric current， etc) [C， 通常sing]： A telegraph message is sent as a series of electrical～s. 电报通常以一系列电脉冲的形式发送。(machine) emit sound～s/be operated by an electronic～(机器)释放出声音脉冲/由电子脉冲操纵;

vi 搏(跳)动，(由于搏动而)流动 (beat regularly or move along because of regular beats) [I， I+prep(through)]： I could feel the blood～ing through my head/body. 我能感觉到自己头脑/身体里血液沸腾。(news) send the blood～ing through sb's veins (消息)使某人热血沸腾;His heart～d with great excitement. 他的心因兴奋而剧烈跳动。〖同〗beat