croaking

v.

呱呱地叫( croak的现在分词 )；用粗的声音说；

1. A bullfrog was croaking in the distance.
   一只牛蛙在远处呱呱地叫。
2. Frogs began to croak with the rainfall.
   一下雨青蛙就开始呱呱地叫起来。
3. Everyone seemed rather out of sorts and inclined to croak.
   每个人似乎都有点不对劲，想发发牢骚。

1. He sat on the playground listening to the distant croak.
   他坐在操场上，聆听远处的蛙鸣。
2. He lifted up his hands and uttered a supplicatory croak.
   他抬起双手，发出哀求的哇哇声。

Development of agonistic behaviour and vocalization in croaking gouramis
The Sound-Producing Mechanism of the Croaking Gourami, Trichopsis vittatus (Pisces, Belontiidae)
Sound Characteristics and Outcome of Contests in Male Croaking Gouramis (Teleostei)
Significance of Agonistic Vocalization in the Croaking Gourami (Trichopsis vittatus, Teleostei)
Significance of Agonistic Vocalization in the Croaking Gourami ( Trichopsis vittatus , Teleostei)
Localization of Pectoral Fin Motoneurons (Sonic and Hovering) in the Croaking Gourami
Localization of pectoral fin motoneurons (sonic and hovering) in the croaking gourami Trichopsis vittatus.
Structure of the sound producing organ of the croaking Gourami ( Trichopsis vittatus Cuvier & Valenciennes) (Anabantidae, Belontiid...
INTRA- AND INTERSPECIFIC DIFFERENCES IN AGONISTIC VOCALIZATION IN CROAKING GOURAMIS (GENUS: TRICHOPSIS, ANABANTOIDEI, TELEOSTEI)
Females whisper briefly during sex: context- and sex-specific differences in sounds made by croaking gouramis