stubbornness

n.坚定，坚强

structuralism, structuralist, structurally, structure, strudel, struggle, struggle against, struggle for, struggle to one's feet, strum, strumpet, strung, strung up, strut, strychnine, stub, stubble, stubbly, stubborn, stubbornly, stubby, stucco, stuccoed, stuck, stuck-up, stud, stud-book, student, student sociologist, student-body, studied, studio, studio couch, studio flat, studious, studiously, studiousness, study, stuff, stuff up,