ventilate

Compared meaning: to let fresh air into a space (verb).

比较义项：使通风，让新鲜空气进入（动词）。

• air

  Informal, everyday word; used for freshening clothes, bedding, or a room by briefly exposing it to fresh air, often outdoors or by opening windows.

  口语化、日常用语；指通过让衣物、被褥或房间短暂接触新鲜空气来使其清新，常在户外晾晒或短暂开窗时使用。

  Hang the sheets outside to air them for an hour.

  把床单挂在外面晾一个小时透透气。

• ventilate 本词

  More formal and technical; refers to keeping air circulating through an enclosed space such as a room or building for hygiene, safety, or removing odors and fumes; not used for clothes or bedding.

  更正式、专业；指让空气在房间或建筑物等封闭空间内持续流通，以保持卫生、安全，或排出异味和废气；不用于衣物或被褥。

  The factory must be properly ventilated to remove chemical fumes.

  这家工厂必须做好通风，以排出化学烟雾。

Air and ventilate both mean letting fresh air into a space. Air is informal, used for briefly freshening clothes, bedding, or a room by opening windows. Ventilate is more formal and technical, meaning to keep air moving through an enclosed room for hygiene or safety.

air 和 ventilate 在“使通风”这一意义上很接近，但语体不同：air 更口语化，常指把衣物、被褥或房间拿到户外或开窗透透气；ventilate 更正式，强调让封闭空间内的空气持续流通，常见于书面或技术语境。这里不比较 air 作名词表示“空气”，或作动词表示“播出（节目）”等其他意义。