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1.slot n．狭缝(slit)；空位(vacancy)
联想记忆：s（音似：丝）+lot(许多)--许多丝状的狭缝
例：Anne placed a quarter into the slot of the vending machine.//takeoff and landing slots（飞机）起飞和降落所用的空位（即空闲跑道）
2.sloth n．树獭（any of various slow-moving arboreal edentate mammals [genera Bradypus and Choloepus]that inhabit tropical forests of South and Central America, hang from the branches back downward, and feed on leaves, shoots, and fruits)：懒惰(idleness)
联想记忆：slo(看作slow慢的)+th(看作thing事--做事慢吞吞的--懒惰
例：Sloths can hang from trees by their long rubbery limbs.
3.sluggish a．缓慢的(slow)
词根记忆：slugg(=slug偷懒)+ish--偷懒的--缓慢的
例：Analysts blamed sluggish retail sales of barbecue grills on bad weather.
4.slump v./n.下降，暴跌(to drop or slide down suddenly)
联想记忆：sl+ ump(看作jump跳下)--突然跳下--暴跌
例：The price of gold slumped for the second day in a row. // a slump in prices价格暴跌
5.smear v.涂抹(to overspread with something adhesive)；弄脏(to dirty)
例：Smear oil on machine parts Ⅱ She smeared her finger with jam.
6.smelt v.熔炼，冶炼(to melt or fuse(as ore) often with an accompanying chemical change usually to separate the metal)；精炼(to refine)
联想记忆：S细丝般冶炼melt--冶炼
例：Over the course of the eighteenth century, the average output of ironwork tripled as a result of several improvements in blowing machinery and because coal replaced charcoal as the fuel used in the smelting of iron ore.
派生词：smelter(n.熔炉;冶炼厂；熔炼工)
7.smog n.烟雾(fog)
记：缩合词：smoke+fog
例：Often visible as smog , ozone is formed in the atmosphere from hydrocarbons and nitrogen oxides.
8.smokestack n.烟囱(chimney)
分拆记忆：smoke(烟)+stack(排烟道)--烟囱
例：The easing of standards for smokestack emissions has led to an increase in air-pollution levels.
9.smuggler n．走私者(one who smuggles)
例：Smugglers had significantly more funds at their disposal when they organized as a group.
同根词：smuggling（n.走私活动）
adj. 懒惰的，迟钝的，无精打采的
