词汇	keep-alive polarity
释义	keep-alive polarity 保活极性
随便看	joint among three members Joint Amphibious Board Joint Amphibious Mine Clearance System Joint Amphibious Mine Countermeasures Joint Amphibious Operation Joint Amphibious Task Force Joint Analyses Group joint analysis Joint Analysis Center Joint Analysis Review Panel Joint Analytical Center Joint and Combined Warfare joint and common property joint and crack joint and crevice joint and development joint and fissure joint and fracture Joint and full survivor annuity joint and mutual will joint and separate responsibility joint and several joint and several account joint and several bond joint and several bonds