strap
strap/stræp/ I.n.［c］带，皮带：a shoe strap鞋带；strap hanger (汽车、地铁等)拉着吊带站立的乘客；tie the boxes with straps用带子把盒子捆起来‖II.vt.(strapped; strapping)用带扣住；···
strategic/strategy/strategist
strategic/strəˈti:dʒik/adj.1.对全局有重要意义的，关键的：in a strategic position处在关键位置上；the strategic moment关键时刻2.战略上的：the strategic defence of the country国家的···
streak
streak/stri:k/ I.n.［c］1.条纹，纹理；痕迹（cf.stripe）：The window cleaner has left dirty streaks on the windows.擦玻璃的人在玻璃上留下了一些脏痕。I dye my hair to hide my grey st···
stream/streamline
stream/stri:m/ I.n.［c］小溪；一连串：a mountain stream山溪；jump across the stream跳过小溪；a stream of events一连串事件；a stream of consciousness意识流‖II.vi.流动：There were t···
street
street/stri:t/n.［c］街道，大街：a busy (noisy, lonely, one-way) street热闹(嘈杂，冷落，单行线)的街道；walk along the street在街上走；in/on the street在街上［辨析］见avenue
strength/strengthen
strength/streŋθ/n.［u］1.力量，力气：a man of great strength有力气的男人；lift the stone with all one’s strength使出全身力气举起那块石头；build up (lose) strength增强体力(丧失力···
strenuous
strenuous/ˈstrenjuəs/adj.费劲的，用力的：The government made strenuous efforts to upgrade the quality of the teaching profession.政府下大力提高教师队伍的素质。He made strenuous a···
stress/stressless
stress/stres/ I.n.1.［u］压力，应力：in times of stress在艰难之时，在供不应求的旺季；under stress of weather (circumstances)迫于恶劣的天气(环境)；impact stress冲击应力2.［c］&［···
stretch
stretch/stretʃ/ I.vt.&vi.(被)拉长，伸，延：stretch a rope tight把绳拉紧stretch oneself伸直身子；伸懒腰：［考句］Having finished their morning work, the clerk stood up behind t···
