He was busy writing his essays.
他正忙着写论文。
He was busy writing a letter rather than reading a newspaper.
他正忙于写信而不是读报。
He was busy writing articles and grant proposals and traveling around giving speeches.
他通常忙于撰写论文、批准我们的建议，以及到世界各地发表演讲。
He was busy writing the story all the morning, only breaking off occasionally to have some tea.
整个上午他都在忙惊天动地写那篇故事，只是偶尔停下来喝杯茶。
He was busy writing the story all the forenoon, only stopped occasionally to have a cup of tea.
整个上午他都在忙于写那篇故事，只是偶尔停下来喝杯茶。
He was busy writing the story all the morning, only breaking off occasionally to have a cup of tea.
整个上午他都在忙于写那篇故事，只是偶尔停下来喝杯茶。
He was led into a large room where he found an aged medical officer sitting behind a large writing-desk busy looking through the sheets of paper carefully.
他被带进了一个大房间，在那里他看到一位老军医坐在写字台后，忙着审核一份份材料。
Between cooking, writing and running the farm he was kept very busy.
他又是做饭，又是写作，还要打理农场，忙得不可开交。
Between cooking, writing and running the farm he was kept very busy.
他又是做饭，又是写作，还要打理农场，忙得不可开交。
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