to expand and contract in a rhythmic mannerthe man's heart began to palpitate, and he feared another attack was coming on
the man's heart began to palpitate, and he feared another attack was coming on
beat, pit-a-pat, pitter-patter, pulsate, pulse, throb
fluctuate, oscillate, vibratequiver, tremble
ca. 1623
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。