self-sealing

adj [usu attrib 通常作定语] (usu of envelopes) that can be sealed by pressure only （通常指信封）压合封口的.

self-portrait, self-possessed, self-possession, self-praise, self-preservation, self-raising flour, self-reliance, self-reliant, self-repairing, self-respect, self-respecting, self-restoring, self-righteous, self-righteously, self-righteousness, self-rule, self-sacrifice, self-sacrificing, self-satisfaction, self-satisfied, self-seeking, self-service, self-starter, self-styled, self-sufficiency, self-sufficient, self-supporting, self-taught, self-willed, self-winding, selfish, selfishly, selfishness, selfless, selflessly, selflessness, selfsame, sell, sell off, sell out,