palpitate

动词 palpitate:

1. cause to throb or beat rapidly
2. shake with fast, tremulous movements
   同义词：quiver, quake
3. beat rapidly
   同义词：flutter

pal.pi.tate

v.intr.（不及物动词）
pal.pi.tat.ed,pal.pi.tat.ing,pal.pi.tates
To move with a slight tremulous motion; tremble, shake, or quiver.
悸动：急迅而有力地抖动；战栗、摇动或颤动
To beat with excessive rapidity; throb.See Synonyms at pulsate
忐忑，怦怦跳：快速的跳动；悸动参见 pulsate

来源：
Latin palpit3re palpit3t- [frequentative of] palp3re [to touch gently] * see pôl-
拉丁语 palpit3re palpit3t- [] palp3re的重复动词 [轻柔地抚摸] *参见 pôl-

【引伸】
pal.pitat.ingly
adv.（副词）