在某种用法中有确切的意义或在科学、艺术、专业或学科中有专门意义的一个词或一种表示形式。

A word or expression that has a precise meaning in some USES, or is peculiar to a science, art, profession or subject.

youdao

记者和研究员菲利普·佩奇说：“许多产品都附有专门设计的标签，表示它们很环保，但实际上其中有许多标志没有任何意义。”

"Many products had specially-designed labels to make them seem environmentally friendly, but in fact, many of these symbols mean nothing," said report researcher Philip Page.

youdao

关于你提的第二个问题，安理会核不扩散和核裁军峰会是安理会有史以来首次专门就核不扩散和核裁军等问题举行峰会，意义重大。

On your second question, Security Council Summit on Nuclear Non - proliferation and Disarmament is the first of its kind to be held and is of great significance.

youdao