lab

Compared meaning: a room or building for scientific work (noun).

比较义项：实验室（名词）。

• lab 本词

  Informal, shortened form of laboratory; common in everyday speech and casual writing, and often used as a modifier before a noun (lab coat, lab results).

  非正式说法，是laboratory的缩略形式，常用于日常口语和随意的书面语中，也常作定语修饰名词（如lab coat“实验服”、lab results“实验结果”）。

  We wore lab coats and goggles before starting the experiment in the lab.

  我们在实验室开始实验前穿上了实验服，戴上了护目镜。

• laboratory

  The full, more formal word; typically used in formal or technical writing, official institution names, and contexts calling for precision.

  更完整、更正式的说法，通常用于正式或专业性文字、机构的正式名称，以及需要精确表达的场合。

  The pharmaceutical company invested millions in a new research laboratory.

  这家制药公司投入数百万美元建立了一个新的研究实验室。

Both words mean the same place, a room or building for scientific work, and can often be swapped. Lab is informal, common in everyday speech, and often used before a noun, as in 'lab coat.' Laboratory is the full, formal word, typical of official writing.

lab和laboratory在“实验室”这个意义上非常接近，几乎可以互换，但lab是非正式的缩略形式，多用于口语和日常书面语，也常作定语修饰名词（如lab coat）；laboratory是完整、正式的说法，多用于正式文本、机构名称或需要精确表达的场合。