n.吠；狗叫声
动词bark的现在分词形式.
The watchdog scared away the thief by barking. 看门狗大声吠叫吓走了窃贼。
An old dog cannot alter its way of barking. 老狗难改常吠声。
The incessant barking of the dog annoyed me. 不断的狗叫声让我苦恼。
