the sharp part which points backwards from a fish hook (= curved piece of wire ) or arrow , making it hard to remove it from something
发音
例句
1. The barb of his wit made us wince. 他那锋芒毕露的机智使我们退避三舍。 2. A fish hook has a barb to prevent the fish from escaping after being hooked. 鱼钩上都有一个倒钩以防上了钩的鱼逃走。