to be knowledgeable about something 对有研究
be knowledgeable about 学问精深的
Be knowledgeable in motion 具备运动控制系统
Self confidence, be knowledgeable about your work.
自信,对自己的工作内行。
Your job is to be knowledgeable about the company for which you're interviewing.
你的任务是对参加面试的单位有充分了解。
My wife may not be knowledgeable about design, but if she responds to image I know others will too.
我妻子对设计并不是很了解,但是我知道她对照片作出什么样的反应,其他人也会和她一样。
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