squealer
n. 发出尖叫声音者;声响器
例句
The others said of Squealer that he could turn black into white.
其他动物都说斯奎拉可以把黑的说成白的。
Squealer was sent to make the necessary explanations to the others.
他们派斯奎拉来给大家做必要的解释。