bleater

n.羊的鸣声；哀鸣

v.发出羊叫声；哀鸣；哭诉

Suddenly, I heard a frail crying sound, like the bleat of a small lamb. 突然，我听到了一个微弱的声音，好象是小羊的叫声。

The victim gave a bleat of terror. 那个受害者发出一声恐惧的哀鸣。

She began to cry and bleat fearfully, and the farmer came out to protect the lamb. 羊妈妈开始很害怕地咩咩叫起来，农夫就跑出来保护小羊。

The poor goat would bleat in pain until it died. 那只可怜的羊痛苦地哀叫着直到死去。

They bleat about how miserable they are. 他们诉说他们的生活是多么悲惨。