咕咕声

例句：

1. 1. The bird made a loud gurgle sound as it flew away.
   鸟儿飞走时发出了响亮的咕噜声。
2. 2. The dog was making a soft growling sound, which scared the children.
   狗在小声地叫，吓到了孩子们。
3. 3. The machine started with a beeping noise, indicating that it was ready to operate.
   机器开始发出哔哔声，表示可以启动了。