be engaged in是什么意思 be engaged in怎么读
be engaged in的用法和样例
用作及物动词 (vt.)
- We are engaged in writing a letter.
我们正忙于写信。 - He was employed in watering the garden.
他忙于给花园里的花木浇水。 - He is engaged in the development of his business.
他正致力于发展他的营业。 - He went to work in astronomy looking for new stars.
他开始致力于天文工作，寻找新的恒星。
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