• 1. certain knowledge: 准确的知识 | 望肯定的学问 | 一定的知识 | 某种知识
• 2. to my certain knowledge: 据我所知
• 3. to certain knowledge: 据

更多释义

• 1.The friend is media, also have certain knowledge to the network.
  朋友是媒体的，对网络也有一定的知识。
  dict.yoduao.com
• 2.Have certain knowledge of parenting and advanced education concept.
  有一定的育儿知识和先进的教育理念。
  dict.yoduao.com
• 3.A journey cannot be planned without certain knowledge of the starting point.
  在不知道起点的情况下，没法计划一个旅行。
  dict.yoduao.com

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