label

Compared meaning: to attach a label or marker (verb).

比较义项：贴标签（动词）。

• label 本词

  Emphasizes marking something with identifying information (contents, category, warning) so it can be recognized or handled correctly; often formal or informative in tone, common with products, files, ingredients.

  强调用识别信息（内容、类别、警示）标记某物，以便正确识别或处理；语气较正式、偏信息性，常用于产品、文件、成分等。

  The factory workers must label each chemical container before it leaves the lab.

  工厂工人必须在每个化学品容器离开实验室之前贴上标签。

• tag

  Suggests attaching a small, often physical or digital marker for quick identification or sorting; casual in tone, common with luggage, clothing, or tagging people/content online.

  指附上一个小的、通常是实物或数字化的标记，以便快速识别或分类；语气较随意，常用于行李、衣物，或在网上标注人物、内容。

  Don't forget to tag your suitcase before checking it in at the airport.

  在机场办理托运之前，别忘了给你的行李箱挂上标签。

Both mean attaching something to identify an item, but differently. Label stresses marking with information, like contents or a warning, so it is handled correctly; it sounds formal. Tag suggests a small, casual marker for quick sorting, common with luggage or online content.

这两个词在“贴标签”这个意思上很接近，但 label 更强调写明内容、分类或警示信息以便识别，tag 则更随意，常指附上简短的标记或挂签，也常用于社交媒体上标注人物或内容。