v.担任( undertake的过去分词 );保证;着手;承诺;
例句:
The uranium reconnaissance was undertaken in the U . K.
在英国境内曾开展过铀矿普查工作.
I've already undertaken several moves.
我已经采取了几项措施.
Measurement of photosynthesis in sediments and macrophytes cannot be undertaken by means of any single procedure.
沉积物和大型植物光合作用的测定不能通过任何单一的程序来承担.