| 短语 | occupy oneself with/in |
| 释义 | occupy oneself with/in从事于;忙于：Many a scientist occupies himself with his study of new energy resources，trying to find some cleaner and more economical ones for mankind.许多科学家从事于新能源的研究工作，试图为人类找到一些更干净更经济的能源。 |
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