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1.snap n.摁扣(a catch or fastening that closes or locks with a click);v.猛咬(seize something sharply with the mouth)
例：snap fastener摁扣
2.sniper n．狙击手(one who snipes)
联想记忆：snip(剪)+e--像剪刀一样快的人--狙击手
例：The sniper snapped off six rapid shots.
3.snout n．（猪、象等的）口鼻部(projecting nose and mouth of an animal, especially a pig)
联想记忆：s+nout(看作nose鼻子)--口鼻部
例：snout beetle象鼻虫
4.snuff v.（用鼻子）吸(to inhale through the nose noisily and forcibly)；n．鼻烟(powdered tobacco taken into the nose by sniffing)
例：snuff bottle鼻烟壶
5.soar v.高飞(to sail or hover in the air);猛增,剧增(to rise or increase dramatically)
发音记忆：“嗖”的一声--高飞
例：The plane soared high in the sky.//The region's standard of living has soared from 1965 on.
6.sodium n.【化】钠(a silver-white soft waxy ductile element of the alkali metal group that occurs abundantly in nature in combined form and is very active chemically)
7.solar a．太阳的(of, derived from, relating to, or caused by the sun);（利用）太阳能的(utilizing the sun's rays especially to produce heat or electricity)
词根记忆：sol(太阳)+ar--太阳的
例：solar wind太阳风//solar energy太阳能
8.solidarity n.团结，一致(unity of a group or class)
词根记忆：solid(固定的)+arity--固体状态--团结
例：ethnic solidarity种族团结
9.solitary a．单独的(alone)；【动】独居的(living alone or in pairs only)
词根记忆：solit(单独)+ary--单独的
例：Scientific research is not a solitary activity but relies on active cooperation among a group of colleagues.//The film depicted coyotes to be solitary and mournfully howling animals on the tops of distant hills.
n. 产品，农作物
vt. 生产，提出，引起，
