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1.steep a．極高的(extremely or excessively high);v.沉浸(to make throughly wet);充滿（to fill with or subject to）
例：Producers rose prices at an unexpectedly steep rate in September.// The officers were steeped in the traditions of the separate services.
派生詞：steeply( ad.陡峭地)
2.steer n．肉用公牛(young, usu. castrated male animal of the ox family, raised for its meat);v．掌舵(to guide by mechanical means)
例：Cattle breeders have increasingly used crossbreeding so that their steers can acquire certain characteristics.
3.stem n.莖，干(the main trunk of a plant)；v.(from)起源于(to originate)；阻斷(to stop or dam up)
例：brain stem腦干//Government revenues mainly stem from the various taxes.//The dam stemmed the river's flow.
4.steppe n.（尤指東南歐或西伯利亞地區）無樹木的大草原(one of the vast usually level and treeless tracts in southeastern Europe or Asia)
聯想記憶：step(步)+pe--在大草原漫步一定很愜意--無樹木的大草原
例：the Eurasian steppes歐亞大草原
5.stereotype n．鉛版(a plate cast from a printing surface)；陳規(something conforming to a fixed or general pattern)；v.使…一成不變（to repeat without variation）
例：break through the stereotypes打破陳規//Most Americans' knowledge of American Indian culture was stereotyped.
派生詞：stereotyped(a．固定不變的；刻板的)
6.sterile a．不育的（failing to produce or incapable of producing offspring）；貧瘠的(barren)；無效果的(unproductive)
例：The sten7e couple adopted two children.//sten7e land貧瘠的土地//The economic reform of this country was sterile.
7.stew n．燉菜（肉）(fish or meat usually with vegetables prepared by stewing)；v.燉（to become cooked by stewing)
發音記憶：“死丟”--拼命往鍋里丟東西--燉
例：Meat of lguanas(美洲大蜥蜴)is usually cooked in a heavily spiced stew by Latin Americans.//The cook stewed the ham hocks for a few hours.
8.stiffness n．僵硬（rigidity）；頑固(stubbornness)
詞根記憶：來自stiff(a．呆板的)
例：Unlike the body's inflammatory response to cuts and sprains in which widespread swelling and stiffness immobilize the injured area until it has healed, the body's more localized response to sunburn results in a distinct line dividing affected and unaffected areas of the skin.
9.stimulant n.刺激物(stimulus);興奮劑(an agent as a drug, that produces a temporary increase of the functional activity or efficiency of an organism or any of its parts)
詞根記憶：stimul(刺激)+ant--刺激物
例：An age of political excitement is usually a stimulant to literature.// Caffeine is the stimulant in coffee.
同根詞：stimulus(n．刺激；刺激物)
n. 分開，抽印本
adj. 分開的，各自的，
