a rhythmic expanding and contractinga palpitation of the blood vessels
a palpitation of the blood vessels
beat, beating, pulsation, pulse, throb
fluctuation, oscillation, vibrationquiver, tremble, tremor
in the 15th century
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。