stranger

n.陌生人；外地人，异乡人

straight-edge, straighten, straightforward, straightforwardly, straightforwardness, straightness, straightway, strain, strain every nerve, strained, strainer, strait, strait-jacket, strait-laced, straitened, strand, stranded, strange, strangely, strangeness, strangle, stranglehold, strangler, strangulate, strangulation, strap, straphanger, strapless, strapped, strapping, strata, stratagem, strategic, strategically, strategist, strategy, stratification, stratify, stratoscope, stratosphere,