Learner's definition of JARGON
[noncount] usually disapproving
: the language used for a particular activity or by a particular group of people行话；黑话；专业术语 -
legal/sports jargon法律/体育术语
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medical jargon that the layman cannot understand外行人不懂的医学术语
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an academic essay filled with jargon满篇术语的学术论文