v. 从事；开始进行（undertake 的过去分词）
1.THE biggest census ever undertaken begins in China on Monday 1st.
中国有史以来最大规模的人口普查将于周一1日的时候开始。
2.We are now engaged in a great and most glorious cause, never undertaken by our forefathers.
我们正在做我们的前人从来没有做过的极其光荣伟大的事业。
3.Miranda has undertaken a review of all of them.
米兰达对所有这些都进行了审查。
4.As such, it projects must be undertaken and executed with great care.
因此，开展和执行it项目时必须非常小心。
5.We will strictly control the number of new projects undertaken.
从严控制新开工项目。
6.Pierre Curie joined her in the work that she had undertaken to resolve this problem, and that led to the discovery of the new elements, polonium and radium.
皮埃尔·居里和她一起致力于解决这个问题，结果发现了新元素钋和镭。