今日短语:
be occupied in (with).
忙于……,正从事于……
例句:
He was occupied in the study of mathematics.
他忙于研究数学。
When we arrived he was occupied in mowing the lawn.
我们抵达时他正在割草。
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今日短语:
be occupied in (with).
忙于……,正从事于……
例句:
He was occupied in the study of mathematics.
他忙于研究数学。
When we arrived he was occupied in mowing the lawn.
我们抵达时他正在割草。