名詞 plop:

1. the noise of a rounded object dropping into a liquid without a splash

動詞 plop:

1. drop something with a plopping sound
2. drop with the sound of something falling into water
3. set (something or oneself) down with or as if with a noise
   同義詞：plank, flump, plonk, plunk, plump down, plunk down, plump

副詞 plop:

1. with a short hollow thud
   同義詞：plunk

1. The jelly plopped into the dish.
   果凍噗的一聲落到碟里。
2. He dropped a pebble from the bridge and waited for the plop.
   他從橋上扔下一顆卵石，然後等著聽那撲通的一聲。
3. The stone fell plop into the water.
   那石頭撲通一聲落入水中。
4. Did you hear it plop?
   你聽到它落入水中的聲音了嗎?
5. The fish plopped back into the river.
   那魚撲通一聲躍回河中。

plop

v.（動詞）
plopped,plop.ping,plops
v.intr.（不及物動詞）
To fall with a sound like that of an object falling into water without splashing.
撲通地落下：伴隨著象一個落入水中而未激起水花物體的聲音落下
To let the body drop heavily:
讓身體沉重地倒下：
例句：
Exhausted, I plopped into the armchair.
我虛脫地倒在扶手椅上

v.tr.（及物動詞）
To drop or set heavily, with or as if with a plopping sound.
撲通地掉下：沉重地落下或放置，帶有或似乎帶有撲通的聲音
n.（名詞）
A plopping sound or movement.
撲通聲：撲通的聲音或動作

來源：
[Imitative]
[擬聲的]

【引伸】
plop
adv.（副詞）