cav.i.ta.tion

n.（名詞）
The sudden formation and collapse of low-pressure bubbles in liquids by means of mechanical forces, such as those resulting from rotation of a marine propeller.
氣穴現(xiàn)象：由于機械力，如由船用的旋轉(zhuǎn)機械力產(chǎn)生的致使液體中的低壓氣泡突然形成并破裂的現(xiàn)象
The pitting of a solid surface.
成穴：固體表面坑陷
Medicine The formation of cavities in a body tissue or an organ, especially those formed in the lung as a result of tuberculosis.
【醫(yī)學(xué)】 成洞：身體組織或器官內(nèi)空洞的形成，尤指那種因肺結(jié)核而在肺中形成的空洞

來源：
From cavity
源自 cavity

【引伸】
cav.itate.
v.（動詞）