n.耳垢；耳屎

Triethanolamine polypeptide oleate is a surfactant that breaks up cerumen. 三乙醇胺油酸是一種多肽表面活性劑，打破了耳垢。

And the waxy oil keeps ears from getting too dry.So earwax is good, it even has a medical name, cerumen, and there are two kinds. 耳油可防止耳朵過(guò)干，所以，耳屎是有益的，它甚至還有一個(gè)醫(yī)學(xué)名字叫耳垢，且分為兩類(lèi)。

And the waxy oil keeps ears from getting too dry.So earwax is good, it even has a medical name, cerumen, and there are two kinds. 耳油可防止耳朵過(guò)干，所以，耳屎是有益的，它甚至還有一個(gè)醫(yī)學(xué)名字叫耳垢，且分為兩類(lèi)。