形容词
中文翻译：Unknown
同义词：
['dull', 'flat', 'lifeless', 'uninteresting', 'unexciting']
例句：
-
1. The painting isso dull that it barely captures the beauty of nature.
这幅画如此沉闷，几乎捕捉不到大自然的美。
-
2. The book was so dull that I couldn't concentrate on reading.
这本书太枯燥了，我无法集中注意力阅读。
-
3. The conversation was so dull that we both fell asleep in our seats.
这次对话太无聊了，我们都在座位上睡着了。