noun · the acupuncture point TB10 (Tianjing) located on the elbow

天井穴是三焦经上的一个重要穴位。

noun · a decorative sunken panel in a ceiling, often found in temples or palaces

大殿的天井上雕刻着精美的龙纹。

noun · an internal courtyard or atrium typical of traditional Chinese architecture

这栋老宅的中间有一个方形的天井。

noun · an opening in a roof or a skylight used for light or ventilation

阳光通过屋顶的天井照进室内。