動(dòng)詞 bombinate:

1. make a buzzing sound
   同義詞：buzz, bombilate

bom.bi.nate

v.intr.（不及物動(dòng)詞）
bom.bi.nat.ed,bom.bi.nat.ing,bom.bi.nates
To buzz; hum.
作嗡嗡聲，嗡嗡響；發(fā)嗡嗡聲，出哼聲

來源：
Late Latin bombin3re, bombin3t-
Late Latin bombin3re, bombin3t-
variant of Latin bombil3re
variant of Latin bombil3re
from bombus [a rumbling, buzzing] * see bomb
from bombus [a rumbling, buzzing] *參見 bomb

【引伸】
bom.bina.tion
n.（名詞）