sur·face ten·sion
noun/ˌsɜːfɪs ˈtenʃn/
/ˌsɜːrfɪs ˈtenʃn/
[uncountable] (specialist)- the property (= characteristic) of liquids by which they form a layer at their surface, and which makes sure that this surface covers as small an area as possible
表面张力