动词短语
中文翻译：忙于
同义词：
['engaged in', 'absorbed in', 'engrossed in']
例句：
-
1.They are deeply engaged on their research project.
他们正在深入研究他们的研究项目。
-
2. The writer is so engrossed in her writing that she forgets to eat.
这位作家沉浸在写作中，以至于她忘记了吃饭。
-
3. The students are engaged on a difficult problem.
学生们正在解决一个棘手的问题。