v.承担，从事，负责，承诺，允诺，答应
undertake的过去式

原形：undertake第三人称单数：undertakes过去式：undertook过去分词：undertaken现在分词：undertaking

Related departments will undertake a full investigation into the accident.
有关部门将全面调查事故。
They undertook to complete the project by the end of the year.
他们承诺今年年底完成项目。
Communities can undertake some essential virus control and prevention tasks.
社区可以承担起一些基本的病毒防控任务。
I have undertaken to finish the project by the end of the month.
我已承诺在月底前完成这个项目。
She undertook extensive research for her new novel.
她为她的新小说进行了大量的研究工作。
The company has undertaken significant restructuring to improve efficiency.
该公司已经进行了一系列重大的重组以提高效率。
He undertook the responsibility of caring for his elderly parents.
他承担起了照顾年迈父母的责任。
The government has undertaken to reduce carbon emissions by 50%.
政府承诺将碳排放量减少50%。
They undertake regular maintenance on their vehicles to ensure safety.
他们定期对车辆进行保养，以确保安全。
He undertook a perilous journey across the desert.
他冒着危险穿越了沙漠。
The charity organization undertakes various fundraising activities throughout the year.
这个慈善组织全年进行各种筹款活动。
She undertook the challenge of learning a new language in just six months.
她接受了在六个月内学习一门新语言的挑战。
The UN undertakes peacekeeping missions in conflict zones around the world.
联合国在全球冲突地区执行维和任务。