Teachers have to constantly update their knowledge in order to maintain their professional competence.

教师必须不断更新他们的知识，以保持他们的专业能力。

youdao

Clinical staff should maintain and update their knowledge and skills needed in pediatric emergencies.

临床工作者要保证拥有并更新儿科急诊所需的知识和技巧。

youdao

Have the ability to constantly update their knowledge study, good quality and strong hearts Service awareness and responsibility;

具备不断学习更新知识能力，良好的心里素质和很强的服务意识和责任感；

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Houston InterWeb Design's flagship software, SiteBlazer, allows anyone to create and update their own Web site without needing any knowledge of programming tools such as HTML (hypertext markup language), he added.

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