survival

n.幸存，生存，幸存的人(或物)

surprise, surprised, surprising, surprisingly, surreal, surrealism, surrealist, surrealistic, surrender, surreptitious, surreptitiously, surrey, surrogate, surround, surrounding, surroundings, surtax, surveillance, survey, surveyor, survive, surviving, survivor, sus (also suss), susceptibility, susceptible, suspect, suspect sb. of, suspend, suspended, suspended animation, suspender, suspender belt, suspenders, suspense, suspension, suspension bridge, suspicion, suspicious, suspiciously,