cavities
n. 腔,洞( cavity的名詞複數 ); (齲齒的)洞
A cavity is a space or hole in something such as a solid object or a person's body.
In dentistry, a cavity is a hole in a tooth, caused by decay.
Cavities in teeth are caused by decay.
牙齒上的空洞是由齲蝕造成的.
The dentist filled several cavities in my teeth.
牙醫給我的牙堵了好幾個洞 excavation 指“挖掘的洞”,如:
Numerous and extensive eddy cavities retard the turbulent mixing process.
多而大的渦流區延遲了擾動的混合過程.
Epithelium also lines the air tubes and lung cavities.
上皮組織還襯蓋氣管和肺腔.
Both conditions filled the brain with " vacuoles ", small cavities resembling the holes in a sponge.
兩者的腦都佈滿 “ 空泡 ”, 一些像海綿中的小空泡.